Availability
SPEC Stage 1 clutch kits are designed for street, drag race, drifting, road race, rally, pulling, and autocross use. They feature integrally molded carbon-Kevlar® based, high performance organic linings that offer smooth engagement and excellent life. These linings have an integrally bonded steel backing for strength under high clamp loads and temperatures. Hubs are double-sprung with spring cover reliefs for flexibility and heat-treated components for strength and durability. Nearly a thousand different kits are available for countless applications, from the 1940s and up. Additional features of SPEC Stage 1 clutch kits: * High-clamp pressure plate * Steel-backed and multi-compound woven organic material * High-torque sprung hub and disc assembly * Best for street and many track and off-road applications
( 18 )
$503.10
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$737.10
SPEC Stage 2 Plus clutch kits are designed for street, drag race, pulling, and autocross use. They feature a multi-friction disc in a full-faced configuration with carbon semi-metallic material on one side and Kevlar® on the other. Bridging the gap between SPEC Stage 2 and Stage 3 clutch kits, the 2+ offers drivability and engagement quality characteristics of the Stage 2, but with a 15 to 20 percent higher torque capacity. Hubs are double-sprung with spring cover reliefs for flexibility—and heat-treated components for strength and durability. More than 700 models are available for vehicle-specific applications. Additional features of SPEC Stage 2 Plus clutch kits: * High-clamp pressure plate * Hybrid carbon-graphite and Kevlar® friction material * High-torque sprung hub and disc assembly * Bearing and tool kit included * Also great for road racing, rally, and drifting
( 7 )
$561.60
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$809.10
SPEC Stage 3+ clutch kits are primarily intended for street use, drag racing, pulling, and autocrossing. As the flagship stage for a high-powered street or race car that requires a manageable and friendly engagement, Stage 3+ clutch kits feature carbon-graphite full-faced material that offers unparalleled life, friction co-efficient, and drivability in one package. Their hubs are double-sprung with spring cover reliefs for flexibility and heat-treated components for strength and durability. Additional features of SPEC Stage 3+ clutch kits: * High-clamp pressure plate * Carbon semi-metallic friction material * High-torque sprung hub and disc assembly * Bearing and tool kit included * Also great for road racing, rally, and drifting
( 4 )
$548.10
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$779.40
SPEC Stage 4 clutch kits are solid hub versions of their Stage 3 clutches. Each hub is solid with eight rivets and the assembly is heat-treated for strength and durability. They are available in a 3, 4, and 6-puck configurations. Use a 3-puck for the lightest option or a 6-puck for the smoothest engagement. The 4-puck kit is a good compromise for both. Street-drivable in 6-puck configuration, but not street friendly due to the rigid hub. Additional features of SPEC Stage 4 clutch kits: * High-clamp pressure plate * Carbon-graphite friction material * High-torque solid hub and disc assembly * Bearing and tool kit included * Great for road racing, rally, drag racing, drifting, and pulling
( 3 )
$674.10
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