Chevy SBC 350 Straight Cylinder Head Top End Engine Combo Kit [Hydraulic Flat Tappet] Speedmaster H-beam connecting rods are

Speedmaster H-beam connecting rods are one of the strongest connecting rods available

but both factors can be equally important in a race car

Permanent molds provide a tighter grain casting thereby reducing the occurrence of porosity which can mar the polished finish

each Manifold is 100% pressure tested for leaks to eliminate installation problems

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