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Boss 302 Build Oil Control

Our Boss 302's cylinder walls needed finish-honing to accommodate standard-bore Speed Pro forged pistons. Jim Grubbs gave our bore a crosshatch pattern for good oil control and proper ring seating.
How To Build A Better Boss 302 Engine

Our Boss 302's cylinder walls needed finish-honing to accommodate standard-bore Speed Pro forged pistons. Jim Grubbs gave our bore a crosshatch pattern for good oil control and proper ring seating.  View Related Article