RAM HDX Clutch Kit 11” 26-Spline GM – 450 HP | Bowler

The RAM HDX Clutch Kit is a performance-focused upgrade for GM applications from 1960–1990. Featuring an 11” x 1-1/8”-26 spline disc and diaphragm-style pressure plate, this kit delivers smooth engagement, increased clamp load, and reliable holding power for builds up to 450 horsepower. Perfect for mild street performance and occasional track use.

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Key Features

• Ideal for street performance and mild track use
• Rated for applications up to 450 HP
• 11” x 1-1/8”-26 spline
• Diaphragm-style pressure plate for smooth pedal feel
• Premium organic friction material
• 8-spring hub for greater durability
• Higher clamp load than stock with minimal increase in pedal effort
• Excellent for LS/LT, Coyote, or Hemi swaps and Tremec transmission conversions
• Compatible with RAM billet flat flywheels and RAM hydraulic release bearings

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What’s Included

• HDX pressure plate
• Organic clutch disc
• Release bearing (where applicable)
• Alignment tool
• Bolt set: 490

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Vehicle Fitment

• 1960–1990 Chevrolet
• Pontiac
• Oldsmobile
• Buick
• GM manual transmission setups using 11” x 1-1/8”-26 spline
• Ideal for modern engine swaps and Tremec conversions

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Why Choose RAM HDX

RAM HDX kits combine stronger clamp load, smooth engagement, and premium materials for dependable street performance. Engineered for power increases over stock while maintaining drivability.

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Why Buy From Bowler Performance

• Authorized RAM distributor
• Fast shipping
• Expert tech support
• Trusted by hot rod and pro touring builders

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Part Number

88764HDX