1955-57 Chevy Tri-5 Transmission Crossmember Pontiac V8 LS 4 Bolt Throttle Body

LS 4 Bolt Throttle Body Adaptor with O-Ring 92mm Intake Manifold to 102mm Throttle Body

Raised fin design and rounded corners (modelled on the performance factory valve covers of the 1950s & 1960s)

the oil pan is a stressed member and adds to block rigidity

Stainless steel outer housing

1955-57 Chevy Tri-5 Transmission Crossmember Pontiac V8 LS 4 Bolt Throttle BodyUpdate your Tri 5 with this tubular transmission crossmember, which allows you to use modern automatic or manual transmissions Fits TH350, TH400, 700R4, 4L60E and 4L80E automatic transmissions Fits Saginaw 3 4 speed, Muncie 4 speed and aftermarket Tremec manual transmissions Fits 1955 1956 1957 Tri 5 Chevy model frames, not for use with truck frames No welding required, bolts to frame once mounting holes are located and drilled 1 inch round bare steel