1968-1972 A Body Convertible Crossmember 351 swap keep more timing in the

keep more timing in the car

Each of the kits come standard with the On 3 Performance 70mm turbocharger and we have options to go anywhere from the 70mm to our newest 84mm

If you need anything else

Use standard GM specs when tightening to the LT crank

1968-1972 A Body Convertible Crossmember 351 swap keep more timing in theFits Models: GS, Skylark, Sport Wagon, Chevelle, El Camino, Malibu, Monte Carlo, 442, Cutlass, F85, Vista Cruiser, GTO, LeMans, Tempest, Grand Prix Fits Years: 68 72 Fits Transmissions: T 56, T 56 MAGNUM, T56XL, MAGNUM XL, TR6060 For a proper fit with these transmissions, the GF GMATM Transmission Mount is included. For 1968 1972 convertibles or boxed frames the distance between the crossmember frame mounting holes is 47 1 2". To ensure proper