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This is our most popular manifold and is showing up on many performance street machines and street rods
Speedmaster DNA roller rockers are the toughest and most innovative rockers we've ever made
Our Input Shafts are constructed from hardened
This TH400 7075-T6 Billet Aluminum Direct Drum is manufactured specifically for drag racing
Choose long or short styles in a natural or shiny polished finish
Chrysler Slant 6 Cylinder 170 198 225 12 Point Head Stud Kit This is our most popularSpeedmaster 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 with 12 point nuts and hardened parallel washers for an even load distribution and accurate torque readings.
