Kooks 05-06 Pontiac GTO Base 1-7/8 x 3 Header & Catted GTO Conn Kit 2020-ford-transit-250-esi6016165 Speed Engineering's 1-3/4" LS swap

Speed Engineering's 1-3/4" LS swap longtube headers are built specifically for these applications — mandrel bent

ARP Chevy Duramax 6

Sized for 28 in Griffin aluminum radiators and a 17 in diameter fan

Melling Oil Pump Pick-Up 155S

Kooks 05-06 Pontiac GTO Base 1-7/8 x 3 Header & Catted GTO Conn Kit 2020-ford-transit-250-esi6016165 Speed Engineering's 1-3/4" LS swapKooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best Headers and complete exhaust systems for your street, race and off road applications. We have won hundreds of championships and set countless records in the NHRA, IHRA, NMCA, NMRA, NASCAR, NASA, SCCA and many other racing organizations. Now with three generations of family leadership, we are proud