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P: (530) 886-0771

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Keeping classic Minis on the road since 1974

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A little "behind the scenes" video on cylinder head resurfacing in the Seven Machine Shop

Products 1-8 of 8
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1275 High Performance Power Unit
Price: $7,395.00
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Special Order - Call for Details
Item #: FOR1275HP -

    Our high performance engine has all the features of our standard engine, but comes with a fully ported cylinder head, high compression Cooper S pistons, performance cam, ARP high-strength head studs and rod bolts, and flywheel assembly. Each engine is balanced. Power output will be significantly higher than the standard engine, with a power band between 2000-7000 RPM and a slightly lopey idle.

    1275 Power Unit
    Price: $6,195.00
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    Special Order - Call for Details
    Item #: FOR1275 -

      The same careful assembly practices go into our stock rebuilds as our championship-winning race engines. Included in each package is a fully bored and rebuilt 1275 A-Plus engine, rebuilt rod change transmission with 3.44 final drive, reconditioned one-piece pre-Verto flywheel and clutch assembly.

      1380 Power Unit
      Price: $7,695.00
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      Item #: FOR1380 -

        For those of you who want more power, we offer a Big Bore 1380cc power unit. It has 73.5mm Powermax squeeze cast pistons, Keith Calver big-valve ported and polished cast iron head with dual springs, Elgin performance cam, ARP rod bolts and head studs

        1380 Power Unit, High-Torque, 3.1 FD
        Price: $6,995.00
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        10/19/2018 12:00:00 AM
        Special Order - Call for Details
        Item #: FOR1380HT -

          For those of you who want more power, but without the peakiness of a high performance package, we offer a Big Bore, high-torque 1380cc power unit. Includes all the features of our 1275cc standard engine, but bored out to 1380cc and fitted with a 3.1 final drive

          998 Cooper Cylinder Head
          Price: $895.00
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          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. You can see the similarity to the

            Cylinder Head, 1275 SPi, Rebuilt
            Price: $795.00
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            5/31/2019 12:00:00 AM
            In Stock
            Item #: SEVR0017-SPI -

              Cylinder head for single-point injection (SPi) classic Minis. Casting #12G940, rebuilt fully in our shop with all new iron valve guides, exhaust valves and seals

              1275 Cylinder Head, Rebuilt
              Price: $795.00
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              In Stock
              Item #: SEVR0017 -

                Fully rebuilt in our shop to include all new iron valve guides, unleaded exhaust seats, exhaust valves and seals. Modified for unleaded fuel.

                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


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