25" Intake Port
Note: For use with 100 & 500 series fittings
Proflow's oxy sensor bung allow you to plug any unused oxygen sensors in your exhaust system
3/8-16" Header Bolts
RTS has teamed up with ARP to supply customers High Performance Series flexplate bolts far superior to OEM hardware
Proflow Exhaust Gaskets, Header, Fibre Laminated, Large Port For Chev, Big Block Bolt kits 25" Intake PortProflow Exhaust Gaskets, Header, Fibre Laminated, Large Port, For Chevrolet, Big Block, Pair Proflow's OEM quality gasket is constructed of a thick (. 060) high temperature, nonasbestos fibre laminate with a perforated steel core, which provides a superior grip and adhesion. This construction also contributes to exact fit compliance between the cylinder head and header flange, offering excellent sealing properties during extreme temperature and