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RAM RTrack 10.5 Dual Disc Clutch Kit w/ 900 Series Discs (GM LS)

$1,489.00  $1,414.55
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RAM Automotive has announced a new twin-plate high performance clutch and flywheel assembly for the Corvette C6 and C6 ZO6, 2010 Camaro and other LS–powered vehicles. They have christened it the DirectFit StreetDual and have allocated its part number as 90-2100.

Designed for use in street applications with healthy increases in power (via blowers, turbos, or nitrous), this new clutch arrangement is a true bolt-in twin-plate replacement assembly. Similar in dimensions to the original, its overall height is 3.0 to 3.1 inches (measured from the crankshaft flange to the finger tips of the cover assembly) and its diameter is 10.5 inches.

The DirectFit StreetDual clutch is equipped with a strong, 2400-pound clamp-load diaphragm cover, a nodular pressure ring for strength, and RAM 300 series organic disc friction material. The chief advantage of using organic friction material is its superior holding power and improved driveability without chatter on takeoff.

The clutch disc springs are also stiffer. By encasing them in urethane, their compression rate increases approximately four times that of an uncoated spring. As a result, this RAM clutch assembly distinguishes itself by not only having the capacity to handle up to 1000 horsepower at the rear wheels but also providing stock driveability.

Since this clutch has to combat greater rotational forces, steel friction backing is added (see accompanying image with call-outs). The facing is riveted steel-to-steel, in contrast with factory non-backed facings.

To complete the assembly, the flywheel is constructed of billet aluminum and contains a ¼-inch thick steel friction insert. This insert (regarded as the thickest in the industry) contributes sufficient mass to dissipate heat, yet maintains a flat friction surface. Thinner inserts are prone to warping. The unit is dynamically balanced to ½ ounce-inch. By shedding 10-12 lb. the reduced rotating mass and moment of inertia improves engine response and acceleration significantly.

MODULAR SET exc. Tremec trans (All 2005-2009 applications require either 1550 or 2550 RAM Flywheel)
OEM MODULAR
Camaro 10-Up LS3 requires 78180 slave/bearing


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  • Model: 90-2100N
  • FROM: RAM Clutches

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we added this on Wednesday 21 October, 2009.

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