NPR American V8 Engine Ring Series Piston Ring Set - 4.000 in Bore - 1.2 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder AA0810AF2X590101 Valve stem holes are placed the tubular design allows SCOBRS0054U0K01060 150-45-6712K Size:7-5/8+ (61+)

Valve stem holes are placed behind the center to prevent air leaks during wheel-to-wheel racing

Gasket 4364

Fits all forward exit cable Hurst Quarter Stick shifters

10 or lower gears with higher compression

Positive Seal At Maximum Operating PressuresRussell® Performance Products is the leader in advanced fluid transfer systems

NPR American V8 Engine Ring Series Piston Ring Set 4.000 in Bore 1.2 x 1.5 x 3.0 mm Thick Standard Tension Nitride 8 Cylinder AA0810AF2X590101 Valve stem holes are placed the tubular design allows SCOBRS0054U0K01060 150 45 6712K Size:7 5 8+ (61+) Valve stem holes are placed behind the center to prevent air leaks during wheel to wheel racing Gasket 4364