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Using only three parts (a laser-welded sealed housing, an internal inertia ring, and highly viscous silicone fluid between the two), SFI-approved Fluidampr harmonic 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.
( 141 )
$518.47
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$572.22
All piston engines produce crankshaft torsional vibration. TCI Rattler torsional vibration absorbers counteract those vibrations by using internal rollers that automatically offset the twisting forces and eliminate the root cause of torsional vibration. They are effective for the entire RPM range and extend crankshaft and bearing life while also increasing valvetrain stability. Their design does not utilize viscous fluids and they are lighter than most dampers of the same size and material construction. Rattler vibration absorbers feature steel rollers that fit loosely into a specific number of holes. By using an exact, patented, mathematical relationship, the rollers roll forward during the compression stroke and backward during the power stroke to keep engine speed variation and vibration to a minimum. The rollers are actually centrifugal pendulums that store and release energy back into the crankshaft rather than converting it to heat energy as dampers do. They are not frequency specific, but are based on the number of cylinders or the events per revolution so they are practical for street use, as well as track and drag strip use. Features include: * Standard bolt patterns * Available for internally and externally balanced engines * Etched integral timing marks can't move relative to the crankshaft * Maintains maximum effectiveness at all engine speeds * Virtually no maintenance required * No fluids, elastomers, or friction materials * No pulley or crank trigger shims required * CNC-machined to exact tolerances * SFI 18.1 certified
( 3 )
$517.99
These Pioneer race balancers bring the advantages of bonded rubber to high-revving race and street/race applications where an SFI-approved balancer is required. Each balancer features a precision CNC-machined AUSI 1045 steel center bonded to an equally strong steel inertia ring. The advanced design makes these balancers very lightweight for all-steel products. The steel inertia ring on these models is positively protected against forward and backward movement and has the added assurance of bonded rubber to eliminate spinning. Every Pioneer race balancer features easy-to-read, computer-etched timing marks.
( 50 )
$500.99
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$636.99
ATI Super Damper Serpentine Series harmonic balancers are patented and feature grooves for serpentine belts machined into the outer damper shell. The dampers come with six outer grooves for standard OEM drive systems—but eight and 10 grooves are available for supercharger or turbo applications. Serpentine dampers are offered in a variety of diameters, and crank hubs may be fitted with a 6-groove serpentine pulley to drive external oil pumps or vehicle accessories. The Serpentine Series Super Dampers fit all ATI GM-front crank hubs and can be adapted to many engine combinations, providing maximum flexibility. They're available in steel or lightweight, hardcoated aluminum. Features and benefits: * Eliminates torsional crankshaft vibrations * Exceeds SFI 18.1 specs * Black zinc chromate finished * Tunable, rebuildable, and extremely efficient at all rpms * Laser-engraved 360 degree timing marks
( 236 )
$518.95
ATP Graywerks harmonic balancers offer 55 years of experience mixed with quality materials and workmanship. These units are made to meet or exceed the original equipment quality and SAE material specifications. Nodular iron or steel balancers are available. Each component is precision-machined, and assemblies are dynamically balanced for the best performance. Some models have degree markings and include Woodruff keys and mounting hardware (where necessary). Calm the vibrations in your ride with a new harmonic balancers from ATP, available for a wide range of vehicle and engine applications.
( 51 )
$644.99
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