Fits 1988-99 Chevrolet & GMC C/K 10/20/30 Truck w/o Engine Oil Cooler, 1992-99 Suburban / Tahoe / Dually w/o Engine Oil Cooler, Small Block/Big Block, excluding Diesels. Use Be Cool #134-60069, 134-62069 or 134-66069 for Diesel applications.Core Dimensions - Extra Large, 27''wide x 18''high
Overall Dimension - 34''wide x 19''high
Designed for up to 1,000-HP applications.
Replaces 28'' core. Use Be Cool #134-72010 heater core return fitting. Use new 12-15 psi GM style radiator cap or Be Cool radiator cap (part #134-70001 or #134-70002 for natural finish or part #134-71001 or #134-71002 for fully polished finish) to professionally complete your installation. Use (2) 1/4-inch male pipe thread x 5/16-inch female inverted flair fitting (Be Cool part #134-72001). Use liquid Teflon on fitting to install. Install 1 each in radiator transmission cooler fitting. Install Stock lines.