M20 ACL Race Main Bearing Set Version:Late Model we may offer a reduced

we may offer a reduced core charge refund

wrist pins

Outer Diameter: 0

These are the same pistons we use in-house for our stock M20B25 engine builds and SpecE30 engine builds

Please choose early or late model depending on the year that your engine block was manufactured

M20 ACL Race Main Bearing Set Version:Late Model we may offer a reducedHigh quality standard size ACL Race Series crankshaft main bearing set. We use these ACL bearings exclusively on all of our in house engine builds. Please choose early or late model depending on the year that your engine block was manufactured. Typically early model is 1987 and older and late model is 1988 and up.