Brian Tooley Racing Forged Crankshaft - 4.000 in Stroke - Internal Balance - 58X Reluctor - Forged - 1-Piece Seal 8161-10-18-1 UV and corrosion resistant they

UV and corrosion resistant they will last for many years under severe use

2009-2013 Chevrolet Silverado & GMC Sierra 1500 trucks with the 5

Big Block Chevy "Econo" pans have pan rail notches that will take up to a 4

3/16 in Thick

12 AN Male to Quick Release Plug

Brian Tooley Racing Forged Crankshaft - 4.000 in Stroke - Internal Balance - 58X Reluctor - Forged - 1-Piece Seal 8161-10-18-1 UV and corrosion resistant theyProduct Description: Crankshaft 4. 000 in Stroke Internal Balance 58X Reluctor Forged Steel 1 Piece Seal GM LS Series Sold Individually 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 parts