A GM licensed Restoration Part, these small block manifolds are correct right down to the casting numbers for 69-70 Camaro, Nova, Chevelle and El Caminos. Smog tubes attach just like the originals as do exhaust pipes and heat riser.
Great appearance and improved flow over stock manifolds will enhance any restoration you put these on
All other attaching hardware are available separately. LH casting number 3942527 RH 3946826
Also fit 71-81 models.