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

Very good-quality engine enamel in original-looking vintage engine colors. Ref: 220-580, GAP410, 220-550, 220-540, 220-560, 220-510.

Very complete ARP kit includes all of the head studs, plus rocker studs, parallel ground washers, and 12 point nuts. Ref: HSA11, 206-4204.

Complete set of ARP head and rocker studs for 9-stud A-series and A+ engines. Ref: 206-4201, HSA9, SEN0409, 2064201.

Outer rocker stud. Slightly longer than the two inner studs. Ref: 51K885, 51K0885.

Shorter of the two rocker pedestal studs; used on the outer two pedestals. Ref: CHS522, CHS0522.

Genuine AE standard cast-iron valve guide. Note the short taper, or bull-nose, which allows head casting support. Ref: 12G1111, VAG50911.

Genuine AE standard cast-iron valve guide. Note the longer taper, which allows improved flow. Ref: 12G1963, VAG50969.

Bronze valve guide for hi-lift applications. Ref: SEN0355, SEN355, APT-02A.

Bronze valve guide made specially for high-lift applications. Ref: SEN354, SEN0354, APT-01A.

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 on 1275/1300cc engines. Ref: 12G1137, SEN0039, VSP3964.

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

Dual valve spring set for fast road/rally rpm and high valve lifts of up to 0.495''. Ref: C-AEA526, SEN0092.

Special Swedish spring wire is used to produce a spring that tolerates lift of up to .490'', as found with high-lift rockers. Ref: C-AEA525.

Pair of competition-quality valve cotters for single-groove valves; CNC-machined from 4340 and heat treated. Ref: 88G459EVO, 88G459, 88G0459.

Single half keeper for single groove valve; also called collets, cotters, and top clips. Ref: 88G459, 88G0459.

Cup oil seal with spring retainer to keep it in place; as fitted to the MPi classic Mini. Ref: LJQ101160.

Triple-groove style exaust valve for A+ 1275cc classic Mini engines. Ref: TAM1061, V90357.

Triple-groove style intake valve with unique top cap, for A+ 1275cc applications. Ref: TAM1058, TAM1058SLP, V91954.

Intake valve, 1.4'' as used on MG Metro head. Ref: TAM1059.

Standard exhaust valve for 1275cc head. 1.15'' diameter with single narrow groove for the keepers. Ref: AHU1049, CAM4601, 12G1322.

1.3'' competition-quality valve constructed of forged EN24N stainless steel. Ref: I-34555.

Single-groove intake valve, as typically used in non-Cooper S 1275cc cylinder heads. Ref: 12G941, V34274.