SunCoast Diesel ALLISON PRESSURE REGULATOR SPRING - A01-PR

ALLISON PRESSURE REG. SPRING KIT. FITS: 2001-2010 Allison 1000 series. Duramax Diesel Chevrolet, GMC Diesel/Gas Trucks Heavy Duty, Street, Show & Competition. FEATURES: Allison Transmission line pressure upgrade spring. This is a great upgrade when building your Allison transmission. Especially with over 800HP. Special Instructions: Requires professional installation and transmission removal.