BTR-LS1STAGE4 Hydraulic Roller Stage 4 Camshaft for GM Gen III LS1 Engines

Name: BTR-LS1STAGE4 Hydraulic Roller Stage 4 Camshaft for GM Gen III LS1 Engines
Brand: BRIAN TOOLEY RACING BTR
SKU: 559-J000088
Price: 409.99 USD
Availability: InStock

^$409⁹⁹

Ships on 09/14/2026

Lowest Price Guarantee

LS1 Stage 4 Hydraulic Roller Camshaft

Gen III LS1 5.7 L Engines

Duration @ .050: 234 Int./238 Ex.

Lift .620 in./.620 in.

LSA 111 deg

Maximum Effort Profile

The BTR-LS1STAGE4 camshaft delivers peak power at high RPM with a highly aggressive idle, ideal for race-oriented LS1 builds with full bolt-ons.

Brian Tooley Racing BTR-LS1STAGE4 Features:

Duration @ .050: 234 Int. / 238 Ex.
Valve Lift: .620 in. Int. / .620 in. Ex.
LSA: 111 deg
Maximum performance for naturally aspirated setups
Choppy, race-style idle with strong upper-RPM pull

Brian Tooley Racing BTR-LS1STAGE4 Notes:

Requires dual valve springs, converter, and tuning
Best suited for performance-oriented builds

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

Part TypeCamshaft

BrandBRIAN TOOLEY RACING BTR

Package Height3.0

Package Width3.0

Package Length25.0

Weight11.0 PG

Intake Valve Lift.620

Lobe Separation Deg111

Part FitmentSemi Universal

Engine Make/SizeGM Gen III/IV LS

Exhaust Valve Lift.620