RS Machines Race Spec CTR Pistons are designed for performance. Set of 4 Pistons

Dyno proven 200+HP

Pistons designed to work with both stock rods

All Pistons Come with Real Moly Coating

Piston Wrist Pins & Rings Included

Compression Ratios

GSR/B18C 13:1

LS/B16 Head 12.5:1

LS/GSR Head 12.8:1

LS 12:1

B16 11.5:1