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 4021-08 With their compact 39mm body

With their compact 39mm body (same size as Walbro 255)

This part number is with the 1-1/4'' clamp

Universal Starter

Low Tension

The Club III uses a proprietary honeycomb architecture not found in other devices at this price point

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 4021-08 With their compact 39mm bodyProduct 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