Manley Pro Series I-beam connecting rods for SBC RHS tall-deck applications are forged performance rods supplied as a set of eight with a 6.300" center-to-center length, 2.225" big end bore, and approximately 0.928" pin bore. They use 7/16" ARP 625+ bolts, are available in forged 4340 or 300M steel alloys, and are rated for high horsepower applications—listed HP guidance and NHRA legality vary by SKU and configuration.
Manley SBC RHS Tall Deck 6.300in Pro Series I Beam Conn Rod 0.927in Pin Dia 7/16in ARP - Set of 8