Higher amount of crush height for maximum fit and retention
Engine Pro Performance 4130 Push Rods 381-8700 Specifications
010 Center Distance
Engine Pro Performance Racing Rings 43M5527 Specifications
Chevy 348 - 409 Cu In Mechanical Roller Lifters
Engine Pro Performance Ductile Plasma Moly Top Ring - Napier Second Ring 43M8559 Higher amount of crush heightEngine Pro Performance Ductile Plasma Moly Top Ring Napier Second Ring 43M8559 Specifications Size: Std, . 005, . 030, . 035, . 060, . 065 Bore Size: 4. 1250, 4. 1300, 4. 1550, 4. 1600, 4. 1850, 4. 1900 Sold in a Set of 8 Applies to: 1 16" 1 16" 3 16" Low Tension Description: All the features of our premium ductile series rings, plus the second ring is Napier profile design for superior durability and oil scraping ability. TOP RING: DUCTILE IRON,