Trans-Dapt Swap-In-A-Box Engine Conversion Kit - LS Engine Into 73-87 GM Fullsize Truck RACEKIT-D1-DSP 12 AN Male to 1-13/16-20

12 AN Male to 1-13/16-20 in Male O-Ring

Ford Transit 2015-21

GM Duramax 2017-19

Sold as a 3pc front and 4pc rear

#4275 are designed to clear most roller rockers on factory cast iron and Edelbrock cylinder heads

Trans-Dapt Swap-In-A-Box Engine Conversion Kit - LS Engine Into 73-87 GM Fullsize Truck RACEKIT-D1-DSP 12 AN Male to 1-13/16-20Trans Dapt Performance "Swap In A Box" Complete Engine Swap Kits "Swap In A Box" Complete Engine Swap Kits Vehicle Applications: 1973 1974 Chevrolet C20 Pickup 1973 1974 Chevrolet C10 Pickup 1973 1974 Chevrolet C10 Suburban 1973 1974 GMC C15 C1500 Suburban 1973 1974 Chevrolet C20 Suburban 1973 1974 GMC C15 C1500 Pickup Each member company of the Hedman Performance Group is a specialist in the field they serve. Hedman hedders specializes in headers,