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- Chrysler 5.7/6.1L Drag Pak Engine
- Pro Series I-Beam Connecting Rod
- Lightweight Series
- 6.240'' Center-to-Center
- 2.126'' Crankshaft Journal Size (Large)
- 2.252'' Big End Bore
- 0.9281'' Piston Pin Bore
- 598 Grams
- 8/pkg
Forged 4340 Steel Connecting Rods
The Manley Pro Series I-Beam rod has become the benchmark for fully machined/billet style high end connecting rods in the performance industry. Lightweight and standard weight designs targeting specific markets combined with their expertly refined manufacturing process renders a truly outstanding product. Whether it is Manley's Super Stock Legal rods in your wheels up class racer or a 4340 lightweight design rod in a twin turbo small block, Manley has the right connecting rod for you.
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Features:
- Forged from 4340 aircraft quality vacuum degassed material
- Fully machined to produce the lightest and strongest rod possible
- Shot peened after machining to MIL spec and 100% individually magnafluxed
- Cap fasteners are 7/16'' ARP 2000 cap screws
- Lightweight rod horsepower range - 750+ HP Oval Track; 800+ HP Drag Race
- Standard weight rods horsepower range - 900+ HP Oval Track; 1200+ HP Drag Race
Connecting Rod Common Specs: - Crankshaft Pin Diameter: 2.000'' (SB-Chevy Small Journal); 2.100'' (SB-Chevy Large Journal)
- Crankshaft Pin Width: 0.940''
- Piston Pin Diameter: 0.9281''
- Piston Pin Width: 1.000''


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