Motul 8100 Power 5W50 Synthetic Motor Oil - 5 Liter Bottle FTR00020-06 814" inside diameter are used

814" inside diameter are used to equalize the installed height of valve springs

Modifications needed for use with some aftermarket blocks

145 in Bore

AFM material has an 85 percent recovery while maintaining strong torque retention

Motul 8100 Power 5W50 Synthetic Motor Oil - 5 Liter Bottle FTR00020-06 814" inside diameter are usedProduct Description: Motor Oil 8100 Power 5W50 Synthetic 5 L Bottle Sold Individually Motul has celebrated its 150th anniversary. A unique opportunity to look back at the past to better understand the future and make absolutely sure that nothing of the pioneer spirit of its beginnings has been forsaken. More than 150 years. More than a century and a half of uninterrupted activity which has allowed Motul to constantly modernise itself and climb to the