Superlift 4" Rear Block Kit - 80-96 Bronco 2148 nismo Thermal Bypass Valve

Thermal Bypass Valve

Engineered to improve airflow by 18% over stock

providing a more pronounced

The X-TRA Cool Radiators give you a direct-fit replacement with special construction techniques borrowed from the HD and semi-truck industry

Superlift 4" Rear Block Kit - 80-96 Bronco 2148 nismo Thermal Bypass Valve4 inch Block Kit 1980 1996 Ford Bronco Covered Limited Lifetime WarrantyIncludes: 2 cast iron blocks, four U bolts, all nuts and washers needed for installation Includes: 2 cast iron blocks, four U bolts, all nuts and washers needed for installation Established in 1975, Superlift remains a pioneer in the industry, and is one of the few suspension companies operated by true truck and off road enthusiasts. We are passionate about trucks, wheeling and an