Exhaust Valve Stem Seals Not Included 1-3/4 (in) Inside Diameter Exhaust Pipe Packing not Included 2-17/32 (in) Inside Diameter Exhaust Pipe Packing not Included Head Bolts Not Included Head Bolt Replacement Recommended Premium Valve Stem Seals Included
1981 Chevrolet K20 equipped with 5.7L V8 Gas OHV
Exhaust Valve Stem Seals Not Included 1-3/4 (in) Inside Diameter Exhaust Pipe Packing not Included 2-17/32 (in) Inside Diameter Exhaust Pipe Packing not Included Head Bolts Not Included Head Bolt Replacement Recommended Premium Valve Stem Seals Included
