Rockers and Components

Lockplate that locates the 2A258 rocker shaft grub screw; suitable for A-series or A+ engines. Ref: 2A259.

High strength nut for use on forged rockers, rocker pedestals or exhaust manifold. Sold each.

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.

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.

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.

3/8'' diameter rocker screw with nut to fit Titan or similar roller rockers. Sold each, with a jam nut included.

Locking screw at top of rocker pedestal to secure the shaft in the correct orientation. Ref: 2A258, 2A0258.

Rocker shaft spring (3) between rockers on every A-series classic Mini engine.

Thick-walled (3.6mm), case- hardened rocker shaft. Ideal replacement for a standard rocker shaft. Ref: C-AEG399, SEN0022HD.

Rocker shaft that includes superior material and precise hardening; Seven's choice for high-RPM race engines

Rocker shaft for all A-series and A+ classic Mini engines. Ref: 12A1950.

Spacer kit for correcting rocker alignment; produced to help rocker pad and valve stem alignment plus reducing friction. Ref: C-AEG392, C-AEG0392.

.010'' shim, originally fitted to help rocker pad to valve stem alignment and reduce friction.

.040'' shim, originally fitted to help rocker pad to valve stem alignment and reduce friction.

ARP parallel-ground heavy-duty 5/16'' flat washer, used on rocker shaft pedestals. Ref: W516916.