1975-1981 F-Body 1975-1979 X-Body Crossmember | RCF2L-6L80 Chevrolet-Silverado-1500-2006 we have 3 options: 8psi

we have 3 options: 8psi Spring 11psi Spring 14psi Spring   Quick example

The piston sizes are staggered to minimize tapered pad wear and it uses the same pad as the C5 (1997-2004) and C6 (2005-2012) Corvette for an easy-to-find

0 94 - 95 Mustang 5

Traditional housings are rectangle shaped and the transition will create a turbulence that has been proven to lose horsepower over our design

2 - bushing housing tubes

1975-1981 F-Body 1975-1979 X-Body Crossmember | RCF2L-6L80 Chevrolet-Silverado-1500-2006 we have 3 options: 8psiFits GM F and X Body Models: Camaro, Nova, Chevy II, Trans Am, Firebird, Ventura, Omega, Apollo, Skylark Fits Years: 75 81 F Body, 75 79 X Body Fits Transmissions: 6L80E Slip Yoke, 6L90E Slip Yoke For a proper fit with these transmissions, the GMTM Transmission Mount and GF GMTM SP Shims are included. For the 1975 1981 frames the distance between the crossmember frame mounting holes is 31 3 4". To ensure proper crossmember selection be sure to measure