Concept 10.5 Clutch Kit GM 1 1/8-26-Spline

The RAM CLUTCH Concept 10.5 Clutch Kit GM with 1 1/8-26-Spline is purpose-built for GM LS-series engine swaps and high-performance drivetrain upgrades. This dual-disc clutch assembly delivers the mechanical advantage serious builders need when bolting a legendary LS platform into classic or custom vehicles. Whether you're completing a restomod, upgrading a drag car, or maximizing torque capacity in a street machine, this kit bridges the gap between stock reliability and modified performance without requiring custom bellhousing fabrication.

The dual-disc design with a spring hub and organic friction material provides progressive engagement and sustained clamping force across the RPM band—critical when LS engines produce 400+ wheel horsepower. The 10.5-inch diameter balances thermal capacity with package width, while the 1 1/8-inch by 26-spline input shaft interface ensures rock-solid mechanical connection to the transmission. Organic facings offer smooth modulation for street driving while maintaining adequate holding power for aggressive launches, making this kit equally at home in a cruiser or a weekend bracket racer. The spring hub absorbs shock loads during gear changes, reducing wear on synchros and extending drivetrain life in both street and competition environments.

This clutch kit is ideal for LS swap enthusiasts, performance mechanics, and fabricators who demand OEM-quality engagement without compromising durability or drivability. Installation requires compatible GM bellhousing and transmission tunnel modification depending on the host platform, so verify fitment with your specific donor and recipient vehicle before ordering. The organic material composition makes it street-friendly, eliminating the chatter and engagement harshness associated with sintered alternatives on daily drivers. At 33.43 pounds, the complete assembly is engineered for straightforward bolt-in installation once donor components are properly aligned—no special tools or custom machining needed for standard LS conversion applications.