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Speedmaster

Chevy BBC 396 454 High Performance 12 Point Main Bolt Kit

MPN: PCE287.1025 UPC: 840136533290
Speedmaster engine hardware are premium-grade, race-quality componets that are created from aircraft quality 8740 high tensile strength chromoly steel, withstanding up to 190,000 PSI .They are ground and thread-rolled after heat treatment to ensure the exacting tolerances that Speedmaster requires for all of their fasteners. This ensures strength and consistent torque readings. All kits come complete with 4130 heat-treated, parallel-ground washers and high-strength 12-point heads.
US $33.70

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