All Spool Conrods come standard with ARP 2000 Fasteners. These are a direct fit H Beam 4340 conrod to suit the Isuzu 4JJ1 with 34mm Pin . These rods come with ARP2000 7/16 fasteners. These conrods feature: High tensile 4340 forged steel 2 Piece forging Hardness of HRC36-42 Dowelled caps for precision alignment X-RAY & Sonic tested Quenching and heat treated Shot peened 100% Magnafluxed Weight Matched Sets – 1 gram Vacuum degassed to remove impurities. No bearings are included!
