Notes: 90mm. For use PN (7128/71283/36017). Standard 5.0 Mount Bolt Pattern. Pro Flo XT.

Notes: 90mm. For use PN (7128/71283/36017). Standard 5.0 Mount Bolt Pattern. Black Finish. Pro Flo XT.

Notes: 65mm; ideal for stock; street legal; must also use matching EGR spacer plate PN[3827];

Notes: 80mm; street legal;

Notes: 70mm; Optimum choice for Performer manifold; street legal; must also use matching EGR spacer plate PN[3828];

Notes: 80mm; street legal;

Notes: 70mm; throttle body only; requires throttle body adapter PN# 3835; street legal;

Notes: 65mm; Includes throttle position sensor; for vehicle w/performer x manifold; 50 State legal; will require port matching w/stock or Performer-X manifold for optimal perf; does not support factory cruise control or auto trans cable;

Notes: 75mm; more radical engine combinations; requires port matching to fit most manifolds; street legal; must also use matching EGR spacer plate PN[3829];

Notes: 65mm; includes throttle position sensor; for vehicle w/stock manifold; 50 state legal;