Engine

Piston rings for the standard 20754 and 20773 replacement pistons, as typically found in classic Mini 998cc A+ engines. Ref: R33636, R33636-00.

Economical 1275 pistons for road-spec engine rebuilds. Sold per set of 4. Ref: 21251, CP725, CP725K.

Set of four (4) 1275 pistons for high-performance applications; includes lightweight wrist pins and top-quality rings. Dish size 6.5cc.

Set of four (4) pistons for the Mini 850. Rings, pins and circlips included. Ref: 15037, CP301K.

3-ring flat-top pistons for use on A-series or A+ engines. Ref: 20950, CP398, ADU3490.

Lightweight die-cast piston for 1275cc A-series and A+ engines, featuring a 6.5cc offset dish. Ref: C-STN100, C-STN100-20, C-STN100-40, C-STN100-60.

AE dish-top 3-ring piston for road-spec 1275 engines. Equivalent to Spridget, Austin America and 1275GT piston. Ref: P21251, 21251.

High compression, OEM dish-top 3-ring 1275cc piston; ideal for classic Mini Cooper S-spec road engines. Ref: 21253, 21253 020, 21253 040, 21253 060, 21253 STD, P21253, P21253-20, P21253-40, P21253-60, P21253-00.

Purpose-made ''big-bore'' AE Hepolite pistons, ideal for adding displacement and torque to your A-series engine. Ref: 20659KR, P20659-00, 87-526600-00.

73.5mm ''big bore'' piston with 7cc dish. Manufactured in the UK in special double heat-treated aluminum, and features an anti-friction design, modern ring pack, and tapered wrist pin.

998 flat top piston, 3-ring, circlip type. Piston is marked 20528, Rover part number ADU3490. +.020 oversize, two only.

Genuine AE/Federal Mogul/Nural 998cc 3-ring flat-top pistons giving 10.3 compression.

AE 4-ring piston for road 998 applications; includes rings and pins. Ref: 20773, 20773-60.

Alloy Evolution piston with 9cc dish, the perfect start for a road-going high-torque classic Mini engine. Ref: C-STR311.

This very important stamped steel plate and its associated spring hold the oil filter canister tight against the filter head. Ref: 17H1148, 17H846, 17H0846.

Plug for the coolant drain hole on the back side of early A-series engine blocks, with the appearance of a brass drain tap as found on early 850s and Coopers. Ref: 3H0576, 3H576.

Threaded metal plug to fit the vacuum port on original and aftermarket inlet manifolds. Ref: 5-8UNF, 88G619, 88G0619.

A tubular push rod as favored among racers, with a slimmer head pass-thru for more clearance

The slightly longer push rod as used on 1275/1300cc engines. Ref: AEG314, AEG314MS.

The shorter push rod as used on 850, 997, 998 and 1098cc engines. Ref: 2A14, 2A0014.

Stainless steel upper radiator bracket, which will fit any 1275cc classic Mini engine. Made in the U.S.A. Ref: FOR022, 12G617S, 12G617.

Kit allows safe replacement of a leaky rear main crankshaft oil seal without the time consuming removal of the flywheel housing. Ref: CE12, STL0012.

Panel that allows the original speedometer hole to be restored. Ref: HMP441017.

Set of 1275 +040 piston rings, made by JE. Ring sizes are 1.2mm. 1.5mm, and 3mm.

Special twist-in rivet used to retain the engine number plate. Ref: 2A895, RIVET, 90081A192, 325-245.

Improved material and precision machining gives a perfectly round contact with the push rod cup. Fits forged and roller rockers.

Rocker adjusting screws are often worn but rarely inspected, both ends of this complex screw are often worn and in dire need of replacement. Ref: 12H3376, AEG167.

Rocker arm adjuster screw lock nut that fits forged rockers, late sintered rockers, some high-lift and roller rockers. Ref: 51K1178.

Rocker arm adjusting nut as used on all forged, sintered and later pressed steel versions that use the 12H3376 screw. Ref: NT605061.

Thin-profile lock nut for 9/32'' rocker screws used on the pressed-steel rockers on some A-series engines.

For accurate valve adjustment, you may need to replace these when you replace the rocker shaft to achieve correct clearances. There fit forged rocker arms and bushed roller rockers.

Latest-type rocker arm, as introduced on A+ engines. Reprofiled tip, said to run quieter. Can be used on any A+ or A-series when used in sets of eight.

Reproduction of the forged Cooper/Cooper S rocker, with replaceable bronze bushing and original oil drillings to adjuster screw. Ref: 12G1221, 12G1221E.

Forged steel rocker set in 1.4 ratio; ideal for both street and race applications, and avoids the high stresses and wear of 1.5 ratio.

1.5:1 ratio ''high-lift'' forged rocker set; complete assembly (less springs or spacers). Ref: C-AHT436, SEN0027.

Bolting on high-lift rockers can give classic Mini engines much greater top-end power. 1.5 ratio rockers open the valves faster and further, while maintaining the same duration. Ref: C-AHT446, C-AHT446A.

New high performance 1.5 ratio high-lift alloy roller-tip roller rockers. Features pedestals with extensions so each rocker is within a pair of supports, this new design reduces flex.

This handy kit includes two (2) each of the classic Mini's special rocker cover bolt, distance piece, and cup washer; used. Ref: SEVU0025, GEG1140.

Bright chrome hardware on your rocker cover will give a fresh look to the engine bay. Ref: SAC71L, SAC0005.

Metal ''Westlake Patents'' plate that is often found on the rocker cover.

Metal ''AUSTIN'' rocker cover plate. Ref: CP348, LMG1026, SMI0031.

Metal ''MORRIS'' rocker cover plate.

Chrome T-bars replace your factory rocker cover nuts so you can remove the cover without using tools; includes hardware. Ref: SAC71, SAC71C.

Attractive flat-top polished aluminum rocker cover, with cooling fins. Ref: FP26, RC1, SAC0001.

Attractive flat top, powder-coated painted finish in red or blue with polished aluminum ribs. Ref: FP26BLUE, FP26RED.

Finned aluminum rocker cover with slanted top; reproduction of MG Rover’s cover used on the MG Metro. Ref: RC3, CAM6822, SAC0002.

These .051'' shims go underneath the rocker pedestals for small adjustments. Ref: C-2A515, 2A515.

These .060" shims go underneath the rocker pedestals to raise the rocker assembly.