NPR American V8 Engine Ring Series Piston Ring Set - 4.030 in Bore - 1.2 x 1.2 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder 99481 Valve / Springs / Gaskets 99501-02 TIP1010 Size:Medium / Large (58) Valve angle 20

Valve / Springs / Gaskets

These cylinder heads include your choice of 64cc (In order to retain stock compression ratio on 1970 and earlier small-blocks) or 70cc combustion chambers and high flow intake and exhaust ports

1984-1992 GMC K2500

1980-1981 Dodge Colt

3200 / 7200 RPM

NPR American V8 Engine Ring Series Piston Ring Set 4.030 in Bore 1.2 x 1.2 x 3.0 mm Thick Standard Tension Nitride 8 Cylinder 99481 Valve Springs Gaskets 99501 02 TIP1010 Size:Medium Large (58) Valve angle 20 Valve Springs Gaskets These cylinder heads include your choice of 64cc (In order to retain stock compression ratio on 1970 and earlier small blocks) or 70cc combustion chambers and high flow intake and exhaust ports