Renew Kit Carburetor Rebuild Kit - 37-1539 2WD Max gains of 5 hp

Max gains of 5 hp and 5 lb-ft of torque at the rear wheels

6 V8 2005 - 2006 GMC Yukon 364/6 V8 2005 - 2006 GMC Yukon 294/4

5L V8 1968 - 1969 GMC C25/C2500 Suburban 396/6

Its cross-sectional area is ~28% larger than stock

4L V8 1967 Mercury Cougar 390/6

Renew Kit Carburetor Rebuild Kit - 37-1539 2WD Max gains of 5 hpOverview: Features: Serves All Holley Perf. Carburetors Genuine Holley Quality Parts Extra Parts For Perf. Tuning Step By Step Instructions Detailed Tuning Guide Packaging Also Parts Tray Competitively Priced Application: Year Make Model Submodel Engine Size Universal Specs: Brand Holley Emission Code 5 Kit Type Renew Kit Model 4150 4500 Product Type Rebuild Kit Warning California Proposition 65 Warranty Limited 90 Day