See All 54 Photos John's 306 uses a 350 block, Arias forged pistons, I-beam rods, and a Comp flat tappet camshaft. See All 54 Photos Heads for the 316 are 1961 Power Pack castings. They were ...

We had the Power Pack heads refreshed by famed racer/mechanic ... then growing to 283 in 1957, 327 in 1962 and 350 by 1966, with horsepower ratings all the way up to 375 in the Corvette.

The '87-'95 cast-iron 350 heads returned to 64-66cc combustion chambers. You state that your Sealed Power pistons are designed to produce 10.0:1 compression. If that's 10.0:1 with a 64cc head ...

We had the Power Pack heads refreshed by famed racer/mechanic ... 327 in 1962 and then 350 by 1966 with horsepower ratings all the way up to 375 in the Corvette. And even though Chevy introduced ...

See All 54 Photos John’s 306 uses a 350 block, Arias forged pistons, I-beam rods, and a Comp flat tappet camshaft. See All 54 Photos Heads for the 316 are 1961 Power Pack castings. They were ...