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
1985 GMC G1500 equipped with 5.7L V8 Gas OHV
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
1st Design with 2 Piece Rear Main Seal 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
1985 GMC G1500 equipped with 5.0L V8 Gas OHV
1st Design with 2 Piece Rear Main Seal 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