Classic Mini DIY: How to Restore a Classic Mini Head Pt 1: Valves

Very good quality engine enamel in the original ''Mowog Green'' or ''MGA / MGB Burgundy'' colors.

Very complete kit includs all of the head studs, plus rocker studs. Parallel ground washers and 12 point nuts are included.

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.

Outer rocker stud. Slightly longer than the two inner studs.

Shorter of the two rocker pedestal studs; used on the outer two pedestals. Two (2) required, sold each.

Genuine AE standard cast-iron valve guide. Note the short taper or bull-nose, which allows the guide to be fully supported in the head casting. AE brand is best for size

Genuine AE standard cast-iron valve guide. Note the longer taper, which allows improved flow, but check that the guide is fully supported in the head casting. AE brand is

Bronze valve guide for hi-lift applications. Shorter than standard 1275 guides, with a nice taper on the end.

Bronze valve guide made specially for hi-lift applications. A little shorter than 1275 guide, with a nice taper on the end. Intake guides are cut to take teflon seals. Order

Sometimes a valve guide with oversize diameter is needed due to a loose fit in the cylinder head casting. These guides are bronze material that gives good life and are .002'' oversize on the outside

This professional-quality 8'' valve spring compressor is just the right size for dismantling A-Series cylinder heads, without use of adapters etc.

Dual valve spring set for road use, equivalent to Mini Cooper S spec.

Set of eight (8) dual valve springs for A-series engines. OEM equivalent.

Special Swedish spring wire is used to produce a spring that will tolerate lift of up to .490", as is found with high-lift rockers. Suitable for up to 7000

Dual valve spring set for fast road/rally rpm and high valve lifts of up to 0.495". These are suited to 8000 RPM and give 200# seat pressure at .400" valve

Pair of competition-quality valve cotter for single-groove valves. CNC-machined from 4340 and heat treated to a better spec than EN24T.

Single half keeper for single groove valve; also called collets, cotters, and top clips. Fits type B and type C single-groove valves.

Cup oil seal with spring retainer to keep it in place; as fitted to the MPi classic Mini

If you are working on a classic A+ Mini, you will probably find that the valves have a triple-groove style keeper. Besides the keepers, the top caps are also unique

Triple-groove style intake valve with unique top cap, for A+ 1275cc applications.

Intake is 1.4" as used on MG Metro head.

Standard exhaust valve for 1275cc head. 1.15''' diameter with single narrow groove for the keepers

1.3" competition-quality valve constructed of forged EN24N stainless steel; for 1275cc 12G940 and 12G1316 cylinder heads.

1.31" x 3.57" single groove. Sold each. Typically used in non-Cooper S 1275cc cylinder heads. Verify which type of valve tip you need, see comparison picture.