1JZ Spool H beam conrods Spool imports Sale! from 86000 /per Conrod Bolt Upgrade ARP2000 ARP L19 (+$479AUD) Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. All Spool Conrods come standard with ARP 2000 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. Specifications: Small End Pin Size: 22mm Big End Tunnel Size: 55mm