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.