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and flame ball-milled finishes
measuring 92mm
Nothing lasts forever
Speedmaster cylinder head fasteners are made from aircraft quality 8740 high tensile strength chromoly steel and cold-forged to ensure molecular integrity
they are made from 5140 Chromoly steel
Chevy BBC 454 Chromoly Head Bolt Kit and flame ball-milled finishesSpeedmaster cylinder head fasteners are made from aircraft quality 8740 high tensile strength chromoly steel and cold forged to ensure molecular integrity. They are heat treated prior to thread rolling and machining and are rated at a whopping 190,000 psi. All kits come complete hardened parallel washers for an even load distribution and accurate torque readings.
US$ 18.50
US$ 129.00
US$ 432.50
US$ 34.00
US$ 42.00
