Brian Tooley Racing Single Beehive Valve Spring - 384 lb. - 1.100 in Coil Bind - 1.020 in / 1.285 in OD - Viton® Seals / Seats 12-506-5 Chevrolet Silverado/GMC Sierra 2500 HD:

Chevrolet Silverado/GMC Sierra 2500 HD: 1999-2018

For A Compact And Clean Look

Cuffs are black Nomex ® with a boot cuff leg trimmed in black

Single Bend

sold separately

Brian Tooley Racing Single Beehive Valve Spring - 384 lb. - 1.100 in Coil Bind - 1.020 in / 1.285 in OD - Viton® Seals / Seats 12-506-5 Chevrolet Silverado/GMC Sierra 2500 HD:Product Description: Valve Spring Kit Ovate Beehive Spring 384 lb in Spring Rate 1. 100 in Coil Bind 1. 020 in 1. 285 in OD Viton Seals Seats 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 creating custom