PRW LS Series Stainless Rocker Arm System - GM LS1/LS2/LS6, 5.7L-6.0L 1997-Up, Cathedral Port, Includes 8mm Grade 12.9 Hex Socket Fasteners, 1.70 Exhaust/1.70 Intake Ratio
Designed as a drop-in system that replaces the OEM valvetrain; these PRW engineered rocker arms feature friction reducing roller needle bearings and heat treated Bearing Steel nose rollers to minimize scrubbing. The bodies are shot-peened and polished 17-4ph stainless steel and feature a lifetime warranty. The systems include Grade 12.9 fasteners and are a bolt-on replacement for factory systems.
Features
- Lightweight design
- PRW Rocker Locks included
- CNC machined pushrod cups
- Heat-treated Cr40 steel rollers and shafts
- Manufactured from 17-4ph Stainless Steel
- Features full complement friction reducing needle bearings
- Wide assortment of ratios to suit almost any cam profile
- Rocker Arm Mounting Style:
- Pedestal
- Self-Aligning:
- No
- Rocker Arm Ratio:
- 1.7
- Rocker Arm Style:
- Full roller
- Shaft Diameter (in.):
- N/A
- Shims Included:
- No
- Rocker Arm Material:
- Stainless
- Rocker Arm Body Style:
- Standard
- Rocker Arm Fasteners Included:
- Yes
- Maximum Spring Diameter (in.):
- N/A
- Finish:
- Natural
- Quantity:
- Sold as a kit.
- Notes:
- For use with cathedral port cylinder heads.
- Make:
- Chevrolet
- Engine Family:
- Chevy small block Gen III/IV (LS-based engines)
- Engine Sizes:
- 5.7L/350-6.0L/364
- Years:
- 1997-2007
