Ridetech's Momentum chassis for 1968–1972 GM A-Body with pin spindles is available in a narrowed 57.25" flange-to-flange width. This complete narrowed chassis includes upper and lower control arms, front sway bar, AFX pin spindles, steering components, 4-link bars, body bushings and a narrow rear housing with axles to suit narrowed classic A-Body builds.
Ridetech 68-72 GM A-Body w/ Pin Spindle & (Narrowed) 57.25in Flange to Flange Width Momentum Chassis