All Spool Drag Pro Conrods come standard with 7/16 ARP 2000 Fasteners

Holden / GM LS 6.125" Drag Pro I Beam Conrods

Spool Drag Pro I Beam connecting rods are the ultimate high strength direct fit conrod for all Holden GM LS 5.7L and 6L V8 engines.

New features:

• Upgraded ARP2000 7/16 bolts
• Increased strength to the beam
• Increased strength around the fasteners / bolts
• Increased strength around the gudgeon pin

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.

ARP L19 bolt upgrade option available.

Note: Clearancing of the cylinder block is sometimes required.

No bearings are included.