Brian Tooley Racing Dual Valve Spring Kit - 380 lb. - 1.070 in Coil Bind - 1.300 in OD - GM LS-Series ALL23045L Included power switch allows for

Included power switch allows for a quick ΓÇ £install" on your test bench

67 in H x 5

is now available in carbon fiber

and state of the art molded silicone/rubber for oil pan and valve cover applications

8 / GM 12-Bolt

Brian Tooley Racing Dual Valve Spring Kit - 380 lb. - 1.070 in Coil Bind - 1.300 in OD - GM LS-Series ALL23045L Included power switch allows forProduct Description: Valve Spring Kit Dual Spring 380 lb in Spring Rate 1. 070 in Coil Bind 1. 300 in OD Locks Steel 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 to