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P: (530) 777-7759

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Keeping classic Minis on the road since 1974

(800) 992-7007 | (530) 886-0771

Engine cylinder heads, parts, and accessories for the classic Mini, Mini Cooper, and variants.

Products 1-48 of 83
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998 Cooper Cylinder Head
Price: $895.00
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Out of Stock
Item #: SEVR12G295 -

    Fully rebuilt and converted for use with unleaded fuel. The 12G295 head is the open chamber, big valve performance head for small-bore motors

    Adapter, Temp Gauge
    Price: $12.95
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    Out of Stock
    Item #: SEL0067 -

      This adaper screws into the cylinder head. It is required when converting to mechanical water temperature gauge. Fits Lucas, Smiths, and other gauges.

      O2 Sensor Bung and Plug, Weld-In
      Price: $6.95
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      3/5/2020 12:00:00 AM
      Out of Stock
      Item #: ADP210 -

        Hex-head steel blanking plug for intake manifold or cylinder head temperature sender hole

        Brass Plug, Below oil pressure valve
        Price: $5.50
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        Out of Stock
        Item #: 2K1345 -

          Brass plug, 1098-1275cc engines. Often removed to clean the oil relief galley.

          Cylinder Head Nut, Flanged (CAM4545)
          Price: $2.95
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          In Stock
          Item #: CAM4545 -

            Improved cylinder head nut with integral flange replacing the earlier separate washer. Maintains clamping force for even torque.

            Cylinder Head Stud, A+, Extra-Length Short Stud
            Price: $12.95
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            In Stock
            Item #: TAM1617 -

              Some engines have the coil on a small bracket which is held to the engine on a cylinder head stud. This is the special extra-length version of the short cylinder head stud to give the little bit of extra threads it needs to allow the coil bracket to be fitted.

              Cylinder Head Stud, Long (CAM0150)
              Price: $8.95
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              In Stock
              Item #: CAM0150 -

                Long stud for cylinder head, use four (4). Sold each. Aftermarket.

                 Cylinder Head Stud, Short (CAM0151)
                Price: $7.95
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                In Stock
                Item #: CAM0151 -

                  Short cylinder head stud. Sold each.

                  Cylinder Head, 1275 Aluminum, Cooper S-Spec, Street Ported
                  Price: $2,699.00
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                  8/28/2019 2:00:00 AM 2495.0000
                  4/10/2019 2:00:00 AM
                  In Stock
                  Item #: C-AHT347 -

                    All-new aluminum 1275 cylinder head, based on the 12G1805/12G940 late Cooper S head casting; CNC ported and flowed for street performance

                    Cylinder Head, 1275 Aluminum, Race Spec
                    Price: $2,900.00
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                    8/28/2019 2:00:00 AM 2795.9500
                    5/8/2019 2:00:00 AM
                    In Stock
                    Item #: C-AHT347RACE -

                      All-new aluminum 11-stud 1275 race cylinder head, based on the 12G1805/12G940 late Cooper S head casting.

                      1275 Cylinder Head, Rebuilt, Big Valve
                      Price: $795.00
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                      In Stock
                      Item #: SEVR0013 -

                        A 1275 cylinder head, casting #12G940, rebuilt fully in our shop with all new iron valve guides, unleaded exhaust seats, exhaust valves and seals. Inlet valve is large 1.4" size

                        Cylinder Head, 998 Unleaded, Rebuilt
                        Price: $695.00
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                        In Stock
                        Item #: SEVRCAM4810 -

                          Rebuilt completely in our machine shop, this head will include all new exhaust valves, guides and seals. Unleaded exhaust valve seats are installed. Springs and intake valves checked. Resurfaced

                          Cylinder Head, Calver Special Tuning GT, Unleaded
                          Price: $1,599.00
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                          In Stock
                          Item #: SEN0281 -

                            Classic Mini stage 2 1275cc lead-free ''GT'' cylinder head from Keith Calver; flow characteristics match or exceed Longman GT-7 head.

                            Cylinder Head, Calver ST, Stage 3 Sport, Unleaded
                            Price: $1,799.00
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                            9/14/2017 12:00:00 AM 1849.0000
                            In Stock
                            Item #: SEN0282UL -

                              Vintage/SCCA Regional/autocross-spec race head, with unleaded seat conversion from Keith Calver

                              Engine Lifting Bracket
                              Price: $7.25
                              View
                              4/29/2019 12:00:00 AM 8.9500
                              In Stock
                              Item #: 12A1968 -

                                Heavy steel metal brackets, used in pairs to lift the engine; attach to valve cover studs. Sold each.

                                Fitting, Bypass Hose (12A2075)
                                Price: $11.95
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                                In Stock
                                Item #: 12A2075 -

                                  Most pre-A+ classic Mini cylinder heads used this fitting to connect the bypass hose to the water pump.

                                  Flat Washer, .375", ARP
                                  Price: $1.80
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                                  MADEINUSATAG
                                  In Stock
                                  Item #: W8504 -

                                    High-spec ARP-made flat washer to fit 3/8" stud or bolt. Thicker than most washers and parallel ground for flatness.

                                    Flat Washer, Head Stud, 0.375 ID, 0.625 OD, 0.062 Thick, ARP (W8505)
                                    Price: $1.60
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                                    MADEINUSATAG||
                                    In Stock
                                    Item #: W8505 -

                                      ARP high-spec washer for 3/8'' stud. Black finish. Parallel ground for perfect fit and no loss of torque through your fasteners. Sold each.

                                      Flat washer, Head Stud, 0.375 ID, 0.675 OD 0.120 Thick, ARP (W3834)
                                      Price: $1.60
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                                      MADEINUSATAG||
                                      In Stock
                                      Item #: W3834 -

                                        ARP high-grade washer for head stud application. Sold each.

                                        Gasket, Heater Valve
                                        Price: $0.80
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                                        In Stock
                                        Item #: 88G0221B -

                                          Gasket for the heater control valve on the cylinder head. Used under the blanking plate, also.

                                          Gasket, Valve Cover, Cooper S
                                          Price: $2.95
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                                          In Stock
                                          Item #: GUG5038VC -

                                            Valve / rocker cover gasket with notches for 10th and 11th studs of a Cooper S head. Originally fiber, now manufactured in cork.

                                            Gasket, Valve Cover, Cork
                                            Retail: $2.95
                                            Price: $2.36
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                                            QTYDISCOUNT
                                            In Stock
                                            Item #: GUG32VC -

                                              Cork valve cover gasket for all classic Mini A-series and A+ engines; may require slight trimming on Cooper S models that have the extra head studs

                                              Head Bolt, Cooper S
                                              Price: $19.95
                                              View
                                              6/16/2020 12:00:00 AM
                                              In Stock
                                              Item #: AEG248 -

                                                Special as-original tapered 5/16'' cylinder head bolt as was used on the water pump end of the Cooper S block.

                                                Head Bolt, Cooper S, ARP
                                                Price: $6.95
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                                                MADEINUSATAG||
                                                In Stock
                                                Item #: AEG0248HD -

                                                  Special tapered 5/16'' cylinder head bolt as used on the water pump end of the Cooper S block; heavy-duty aftermarket version.

                                                  Head Gasket Set, 1275cc, Black head gasket
                                                  Price: $36.95
                                                  View
                                                  7/8/2020 12:00:00 AM
                                                  Out of Stock
                                                  Item #: SGK0013E -

                                                    Head gasket set for all classic Mini 1275cc engines; made in the U.K.

                                                    Head Gasket Set, 1275cc, Black head gasket
                                                    Price: $39.95
                                                    View
                                                    2/17/2020 12:00:00 AM 41.9500
                                                    Out of Stock
                                                    Item #: SGK0013 -

                                                      Head gasket set for all clasic Mini 1275cc engines; includes a genuine Payen black composite head gasket, carb gaskets, manifold gasket, cork valve cover gasket, heater gasket, two manifold gaskets, and valve stem seals

                                                      Head Gasket Set, 1275cc, Copper
                                                      Price: $44.95
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                                                      In Stock
                                                      Item #: SGK0014 -

                                                        This gasket set fits all 1275cc-based engines and includes a copper-composite head gasket.

                                                         Head Gasket Set, 850-1098cc, Copper (SGK0011)
                                                        Price: $21.95
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                                                        Out of Stock
                                                        Item #: SGK0011 -

                                                          Head gasket set to fit ''small bore'' 850 to 1098cc engines; includes copper head gasket and o-ring-type valve stem seals.

                                                          Head Gasket, 1275cc
                                                          Price: $12.95
                                                          View
                                                          1/24/2019 12:00:00 AM
                                                          In Stock
                                                          Item #: SGK0004E -

                                                            Grey composite head gasket with steel fire rings for standard 1275/1300 engines.

                                                            Head Gasket, 1275, black composite, AF470
                                                            Price: $39.95
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                                                            Out of Stock
                                                            Item #: GUG812632HG -

                                                              Black composite head gasket for 1275cc or larger classic Minis. Manufactured by Payen; marked AF470.

                                                              Head Gasket, 850-1098cc, copper
                                                              Price: $22.95
                                                              View
                                                              9/29/2020 2:00:00 AM 24.9500
                                                              In Stock
                                                              Item #: SGK0002 -

                                                                Upgraded copper-composite head gasket for ''small-bore'' 850-1098cc engines

                                                                Head Gasket, Turbo
                                                                Price: $119.95
                                                                View
                                                                2/24/2020 12:00:00 AM 129.9500
                                                                In Stock
                                                                Item #: SEN0466 -

                                                                  This is a high-compression gasket that was specially developed for 1275 Metros raced in England

                                                                  Head Stud Set, 11-Stud, ARP
                                                                  Price: $169.95
                                                                  View
                                                                  MADEINUSATAG||
                                                                  In Stock
                                                                  Item #: SEN0411 -

                                                                    Very complete ARP kit includes all of the head studs, plus rocker studs, parallel ground washers, and 12 point nuts.

                                                                    Head Stud Set, 9-Stud, ARP
                                                                    Price: $169.95
                                                                    View
                                                                    MADEINUSATAG||
                                                                    Out of Stock
                                                                    Item #: SEN0409 -

                                                                      Complete set of ARP head and rocker studs for 9-stud A-Series and A+ engines. Includes 12-point nuts and paralell-ground hardened washers for precise fitting.

                                                                      Head Stud, Long, ARP (AJ5.65-1)
                                                                      Price: $9.00
                                                                      View
                                                                      MADEINUSATAG||
                                                                      Out of Stock
                                                                      Item #: AJ5.65-1 -

                                                                        ARP head stud, 5.65''. Sold each.

                                                                        Head Stud, Short, ARP (AJ4.25-1)
                                                                        Price: $8.75
                                                                        View
                                                                        MADEINUSATAG||
                                                                        In Stock
                                                                        Item #: AJ4.25-1 -

                                                                          ARP head stud, 4.25''. Sold each.

                                                                          Heater Outlet Blanking Plate
                                                                          Price: $8.75
                                                                          View
                                                                          In Stock
                                                                          Item #: 2A0180 -

                                                                            Classic Minis with no heater will need to have the outlet on the cylinder head blocked off with this plate.

                                                                            Heater Outlet Blanking Plate, Stainless (2A0180SS)
                                                                            Price: $12.95
                                                                            View
                                                                            1/7/2021 12:00:00 AM
                                                                            In Stock
                                                                            Item #: 2A0180SS -

                                                                              A more durable and flashier version of the heater valve blanking plate, made of stainless steel.

                                                                              Heater Valve Stud
                                                                              Price: $1.95
                                                                              View
                                                                              In Stock
                                                                              Item #: 53K0402 -

                                                                                Small stud to secure heater valve or blanking plate to cylinder head.

                                                                                Manifold Alignment Sleeve
                                                                                Price: $2.95
                                                                                View
                                                                                In Stock
                                                                                Item #: 12G0297 -

                                                                                  Metal alignment sleeves to position the inlet manifold accurately in the cylinder head

                                                                                  Manifold Gasket, Competition
                                                                                  Price: $5.95
                                                                                  View
                                                                                  9/18/2020 12:00:00 AM 6.95
                                                                                  In Stock
                                                                                  Item #: SIE0039 -

                                                                                    A thicker-than-standard intake/exhaust gasket, with large inlet and exhaust port cutouts for use with modified cylinder heads and/or headers

                                                                                    Manifold Gasket, Improved
                                                                                    Price: $9.95
                                                                                    View
                                                                                    In Stock
                                                                                    Item #: GUG704053MG -

                                                                                      Metal-faced manifold gasket, as used on all fuel-injected single-point (SPi) and multi-point (MPi) classic Minis

                                                                                      Manifold Gasket, Standard
                                                                                      Retail: $3.50
                                                                                      Price: $2.80
                                                                                      View
                                                                                      QTYDISCOUNT
                                                                                      In Stock
                                                                                      Item #: GUG37MG -

                                                                                        Stock gasket between the intake and exhaust manifold and the cylinder head.

                                                                                        Manifold Nut, Brass (GHF261)
                                                                                        Price: $0.85
                                                                                        View
                                                                                        In Stock
                                                                                        Item #: GHF0261 -

                                                                                          Made from brass for heat and corrosion resistance; intended to be used specifically for use with the classic Mini manifold.

                                                                                          Manifold Nut, Brass, Long (51K1177)
                                                                                          Price: $2.95
                                                                                          View
                                                                                          In Stock
                                                                                          Item #: 51K1177 -

                                                                                            Brass nut about 1'' long for easier tool access in the congested area of the carbs, intake and exhaust

                                                                                            Manifold Stud & Hardware Kit, Stainless Steel (SEN0455E)
                                                                                            Price: $33.95
                                                                                            View
                                                                                            5/8/2019 12:00:00 AM 39.9500
                                                                                            In Stock
                                                                                            Item #: SEN0455E -

                                                                                              A complete stainless steel stud and hardware set for the manifold face of your cylinder head.

                                                                                              Manifold Stud
                                                                                              Price: $1.95
                                                                                              View
                                                                                              In Stock
                                                                                              Item #: 53K0487 -

                                                                                                Stock replacement stud for the classic Mini intake and exhaust manifold. Use six (6) per head

                                                                                                Manifold Stud Set, 7 Port Aluminum Heads
                                                                                                Price: $14.95
                                                                                                View
                                                                                                In Stock
                                                                                                Item #: G1423SM -

                                                                                                  Set of four (4) studs, nuts and washers to fit the exhaust side of the aluminum crossflow head. These have deeper thread engagement into the head that the one that is fitted to the head originally.