Brian Tooley Racing Dual Valve Spring Kit - 380 lb. - 1.070 in Coil Bind - 1.300 in OD - Locks / Titanium Retainers / Viton® Seals / Seats - GM LS-Series 24920 The "Plus" version come standard

The "Plus" version come standard with Stilo's popular rally communication kit allowing driver and co-driver to stay connected with ease through seamless integration with both WIRELESS and WIRED WRC intercom connections

and all of the hardware to mount the pushrod to the brake pedal

Adjusting the air pressure can be inconvenient without an air compressor

15/64 in OD

8 AN PTFE Hose to 8 AN Male O-Ring

Brian Tooley Racing Dual Valve Spring Kit - 380 lb. - 1.070 in Coil Bind - 1.300 in OD - Locks / Titanium Retainers / Viton® Seals / Seats - GM LS-Series 24920 The "Plus" version come standardProduct Description: Valve Spring Kit Dual Spring 380 lb in Spring Rate 1. 070 in Coil Bind 1. 300 in OD Locks Titanium Retainers Viton Seals Seats GM LS Series Brian Tooley Racing (BTR) started as a small operation fueled by Brian Tooley's passion for engine performance and innovation. In the early 1990s, Tooley began his journey in the performance industry by working on cylinder heads and founding Total Engine Airflow (TEA). Eventually, he shifted