the pistons have 4 valve reliefs and a slight dish (its more factory style). the the manifold has the 6 mounting bolts and thats it. when i had it on the truck, i had the alternator on it just fine though. i think i might have had longer bolts in the front.
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1972 Cheyenne
Chevrolet red and white
357ci, Vortec heads,
GM Performance high rise intake,
Comp 268H .454/.454 218/218 110 LSA
Quadrajet carb, Flowtech headers, 2.25 40 series
HEI, Curve kit, TH 350, 3.07 gears
275/60/15s on 15x8 rallies
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