Executive order

D-115-8

Holley Performance Products

Vehicle applications

No vehicle applications were preserved for this order.

Part records

Part numberModel/specificationModificationRemarks
300-5521967-1986 GM vehicles equipped with 5.7L enginesThe Chevy SysteMAX cylinder heads is a set of 5.7L cylinder heads manufactured out of aluminum with the folliwnig specifications: Intake valve diameter of 2.02", exhaust valve diameter of 1.6", and a combustion chamber volume of 68 cc.