Engine Pro GM GEN III IV LS LSX 4.8 5.3 6.0 3-Bolt Camshaft 523/524 Lift Stage 3 Hot Cam and LiftersEngine Pro Stage 3 camshaft and lifters kit. May require computer tuning. Requires valve spring upgrade. Please message us with questions. Dur @ . 050" 218 227 Lift . 523 . 524 Lobe Separation 109 115 Similar to LS Hot Cam RPM Range 1500 6000 CHEVROLET GM LS V8 GEN III & IV, 3 BOLT, 1997 Present, 1. 7 1 Rocker Ratio Camshaft includes 16 HA2281 roller lifters

Meet or exceed all OE pushrod specifications

Angle 117° N 117° N

- Fastener Yield Strength (psi): 200

Enginetech's IS55E Hardened Oil Pump Driveshaft for Chevrolet Small Block Engines is designed for superior performance and durability

They come available with hex heads or reduced wrenching 12-point heads that eliminate the need for valvetrain removal when re-torquing cylinder heads

Spring Rate (lbs/in): 370 lbs

This makes them far superior to standard OEM fasteners in terms of durability

Rated for up to 45psi of continuous pressure

on a stock 6

-fits GEN III / IV LS style engines (4

OE-STYLE HYDRAULIC ROLLER LIFTERS (No Link Bar)

Notes:These rocker arm studs are designed to convert non-adjustable Gen V cylinder heads to an adjustable valvetrain