|B/B NITROUS SERIES DOME
These big block pistons have ring lands designed specifically for nitrous applications. Valve reliefs are designed to accept oversized valves and long duration, wide lobe separation camshafts, they are also compatible with angle
milled heads. Precision CNC machined ring grooves accept 1/16, 1/16, 3/16 rings. Fits open chamber cylinder heads.
Pin #990-2930-18-51S (174g)
Double spiro locks (#990-042-CS)
Double pin oilers