Russell Performance Billet Aluminum Y-Block w/ 3/8in inlet & outlet Final Drive Gears NRG 500 Series M12 X

NRG 500 Series M12 X 1

Designed and assembled in USA

The ARP 208-4301 Head stud kit is meant for use in stock as well as high output configurations

A note about boring your intake manifold: It should be noted that a big bore throttle body should never be used on an intake manifold that has not had the inlet bored out to match the bore of the throttle body

Cylinder area is CNC machined to appropriate bore size and hand deburred

Russell Performance Billet Aluminum Y-Block w/ 3/8in inlet & outlet Final Drive Gears NRG 500 Series M12 XRussell's wide variety of lightweight aluminum adapter fittings allow for the connection of Russell hose ends to almost any component. Adapters are offered in standard thread, metric thread and pipe thread to fit most popular oil pumps, fuel pumps, fuel filters plus a variety of other common components. To compliment the looks of the hose installation, three finishes are available ultra bright Endura, traditional blue anodized or our new black