Pay in 4 interest-free payments of $42.62 Learn more
Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
They are for small and big block Chevys
The Speedmaster valve locks will fit any Speedmaster 10 degree retainer and are recommended for all race applications due to their superior strength
Get the additional clearance you need for your belt or gear drive timing system
Design from the ground up based upon your favourite bowtie block with the ability to handle naturally aspirated
The internal components are made from EN36 material as used in racing
Ford FE 390 427 428 Internal Balanced Fluid Damper Harmonic Balancer SFI 18.1 They are for small andUsing only three parts a laser welded sealed housing, an internal inertia ring, and highly viscous silicone fluid between the two these SFI approved Fluid dampers can control all crankshaft vibration, not just a limited frequency range. As a result, you get reduced wear on the main bearings and timing gear, more stable valvetrain operation, and less chance of crank failure.
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