A plus bearings have a centre locating indent whereas the ealier blocks had the locating area on the side- These are A plus 30 thou oversize. See VP91885-20 for race quality

VP suffix bearings are made by Mahle with lead indium ...

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...

Set of +0.003" size 1275 crank thrust washers.

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?
...

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...

Replace with new camshaft,it's almost too easy to overlook during a rebuild. Camshaft bearings are pressed into the block and thus are usually done by a machine shop. You would not rebuild an engine without replacing the rod bearings, so why not the ...

ACL Main bearings for the crankshaft as preferred by performance engine builders 10 thou oversize pre 1985



Sintered copper lead, lead plated,steel backed

Nominal Composition

Copper 74%

Lead 24%

Set of +.003 thrust washers for 1275.

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...

Original equipment quality for factory built engines giving longer life expectancy on road cars under variable conditions of oil and use. These are the 1275cc mains as fitted to A Plus engines with the locating tab in the middle rather than to the ou...