CJM Piston Ring Set, Pro Mod + Unlimited - For Race Gas / Ethanol Fuels

CJM Pro Mod + Unlimited - PISTON RING SET 

The Ultimate Ring Pack for HIGH PERFORMANCE Engines Running Race Gas / Ethanol 

Developed using top-level motorsport technology from Formula 1, NASCAR, and NHRA, this ring pack was developed from the need to improve performance and significantly reduced blow-by—especially for high performance (950+ HP) engines running Race Gas / Ethanol fuels.

Gapless Gas-Ported, Top Ring
Strategically placed horizontal ports allow combustion pressure to load the ring from behind, dramatically improving ring seal.

Reduced Oil Contamination
Enhanced sealing minimizes blow-by, keeping oil from being contaminated by combustion products

PVD Face Coating
Both top and second rings feature a low-friction PVD coating that reduces heat and wear, improves sealing consistency, and extends ring life.

SPECIAL NOTE:
Not Suitable for Street Use
Due to the increase in vacuum, smoke on startup may occur when using this ring pack