Race quality Single piston ring pack for Mini Spares Evolution Pistons which also fits Mega and Omega pistons. This uses 3 piece oil ring 4mm and 2 of 1.2mm compression ring--sold per piston so 4 packs required per engine

AE Hepolite +60 RINGS engine set C-AJJ3378/60-C-ajj3382-60 Mega and Omega pistons when rings are 0.0470(1.2mm) and 0.1575 4mm oil rings.

For latest spec NPRR race quality rings see C-STN102-20

You should replace the camshaft bearings every time the block goes to the machine shop. These bearings fit all late model 1275cc blocks (the ones without tappet covers on the back) It's almost too simple and thus often overlooked during a rebuild. Ca...

ACL Race Bearings



ACL Race series bearings are precision manufactured to a wall thickness of ±0.0040mm giving engine builders close control of vertical oil clearance.

What is the purpose of ACL Race series bearings?
...

Race quality heavy duty double row performance endless timing chain. It is the best chain available and used by top engine builders, also fits MGB/Midget. This chain is for duplex gears that is used by racers as a limited stretch heavy duty version m...

Proper timing of the camshaft is very important and while it is easy and nice to do it with a precise adjustable cam sprocket it is also cheap to do it with offset cam keys. 1 or 2 degrees difference in cam timing can make a difference in performance...

Genuine Mini Spares camshaft for use with 1.5 rockers if preferred--below 5000rpm should produce more power than the 286 profile. Close to MDM274



Cam Timing

107 degrees at full lift on No1 inlet

SEAT...

Con Rod bearings, 850-1275 1 5/8" journals. Heavy duty steel backed bearing for durability and long life. The bearings to use if you want it to last. The only bearings to use on a fast road motor.

( Tri-Metal )

Sintered copper lead...

Mini Spares cam follower with original convex bottom Radii as used by BMC/Rover and made by Clanceys but less the oil hole. Using Clancey drawings and to our design for better cam performance and lift we have made the push rod recess deeper for stabi...

The oil pressure relief valve consists of an aluminum plunger with a heavy spring behind it. Access is through the 15/16" domed cap nut beside the dizzy. Once this nut is removed the spring will be visible. The plunger is beneath the spring and will ...