
RAM HDX LS Clutch & Flywheel Kit β 12β x 1-1/8β-26 Spline β GM LS 6-Bolt β Part# 25-831
The RAM HDX LS Clutch & Flywheel Kit (25-831) is a complete performance package for LS engine swaps, late-model GM applications, and Tremec transmission conversions. Built around a 28 lb RAM billet steel flywheel and 12β HDX clutch assembly, this kit delivers superior holding capacity, smooth engagement, and long service life for street-driven or performance LS builds up to 500 HP.
Key Features
- Complete LS clutch + 28 lb billet steel flywheel package
- 12β x 1-1/8β-26 spline
- Diaphragm-style pressure plate
- 2800 lb clamp load for excellent engagement and pedal feel
- Organic friction material for smooth street driving
- 5-spring helix hub provides silky engagement and strength
- Larger 12β surface area = better heat dissipation + longer clutch life
- Compatible with factory slave cylinders
- Includes pressure plate bolts and dowel pins
- Perfect for LS engine swaps and Tremec conversions
- For over 500 HP, upgrade to RAM 25-931HPG
Vehicle Fitment
- 1998β2002 Camaro V8 β pairs with RAM 78165 hydraulic release bearing
- 2010β2015 Camaro SS β pairs with RAM 78180 hydraulic release bearing
- 1997β2013 Corvette β pairs with RAM 78170 hydraulic release bearing
- 1997β2015 GM LS 6-bolt engine swaps
- Compatible with factory slave cylinders
- Works with Tremec transmission swaps
Flywheel Specs
- Billet steel construction
- 168-tooth
- 28 lb weight
- 6-bolt LS crank pattern
- Flywheel bolt set: 528
Whatβs Included
Kit consists of:
- RAM 1550 (pressure plate)
- RAM 88935 (12" organic disc)
- RAM 490 bolt set
- Billet steel flywheel
- Dowel pins
- Alignment tool
- (Hydraulic release bearing sold separately)
Why Choose RAM LS Kits
RAMβs LS clutch packages provide the perfect balance of drivability, power capacity, and durability. The large 12β disc and high clamp load deliver improved holding power while maintaining excellent street manners.
Why Buy From Bowler Performance
- Authorized RAM distributor
- Fast shipping
- Expert drivetrain tech support
- Trusted by hot rod, pro touring, and engine swap builders nationwide
Part Number
25-831
The RAM HDX LS Clutch & Flywheel Kit (25-831) is a complete performance package for LS engine swaps, late-model GM applications, and Tremec transmission conversions. Built around a 28 lb RAM billet steel flywheel and 12β HDX clutch assembly, this kit delivers superior holding capacity, smooth engagement, and long service life for street-driven or performance LS builds up to 500 HP.
Key Features
- Complete LS clutch + 28 lb billet steel flywheel package
- 12β x 1-1/8β-26 spline
- Diaphragm-style pressure plate
- 2800 lb clamp load for excellent engagement and pedal feel
- Organic friction material for smooth street driving
- 5-spring helix hub provides silky engagement and strength
- Larger 12β surface area = better heat dissipation + longer clutch life
- Compatible with factory slave cylinders
- Includes pressure plate bolts and dowel pins
- Perfect for LS engine swaps and Tremec conversions
- For over 500 HP, upgrade to RAM 25-931HPG
Vehicle Fitment
- 1998β2002 Camaro V8 β pairs with RAM 78165 hydraulic release bearing
- 2010β2015 Camaro SS β pairs with RAM 78180 hydraulic release bearing
- 1997β2013 Corvette β pairs with RAM 78170 hydraulic release bearing
- 1997β2015 GM LS 6-bolt engine swaps
- Compatible with factory slave cylinders
- Works with Tremec transmission swaps
Flywheel Specs
- Billet steel construction
- 168-tooth
- 28 lb weight
- 6-bolt LS crank pattern
- Flywheel bolt set: 528
Whatβs Included
Kit consists of:
- RAM 1550 (pressure plate)
- RAM 88935 (12" organic disc)
- RAM 490 bolt set
- Billet steel flywheel
- Dowel pins
- Alignment tool
- (Hydraulic release bearing sold separately)
Why Choose RAM LS Kits
RAMβs LS clutch packages provide the perfect balance of drivability, power capacity, and durability. The large 12β disc and high clamp load deliver improved holding power while maintaining excellent street manners.
Why Buy From Bowler Performance
- Authorized RAM distributor
- Fast shipping
- Expert drivetrain tech support
- Trusted by hot rod, pro touring, and engine swap builders nationwide
Part Number
25-831
Original: $699.00
-65%$699.00
$244.65Description
The RAM HDX LS Clutch & Flywheel Kit (25-831) is a complete performance package for LS engine swaps, late-model GM applications, and Tremec transmission conversions. Built around a 28 lb RAM billet steel flywheel and 12β HDX clutch assembly, this kit delivers superior holding capacity, smooth engagement, and long service life for street-driven or performance LS builds up to 500 HP.
Key Features
- Complete LS clutch + 28 lb billet steel flywheel package
- 12β x 1-1/8β-26 spline
- Diaphragm-style pressure plate
- 2800 lb clamp load for excellent engagement and pedal feel
- Organic friction material for smooth street driving
- 5-spring helix hub provides silky engagement and strength
- Larger 12β surface area = better heat dissipation + longer clutch life
- Compatible with factory slave cylinders
- Includes pressure plate bolts and dowel pins
- Perfect for LS engine swaps and Tremec conversions
- For over 500 HP, upgrade to RAM 25-931HPG
Vehicle Fitment
- 1998β2002 Camaro V8 β pairs with RAM 78165 hydraulic release bearing
- 2010β2015 Camaro SS β pairs with RAM 78180 hydraulic release bearing
- 1997β2013 Corvette β pairs with RAM 78170 hydraulic release bearing
- 1997β2015 GM LS 6-bolt engine swaps
- Compatible with factory slave cylinders
- Works with Tremec transmission swaps
Flywheel Specs
- Billet steel construction
- 168-tooth
- 28 lb weight
- 6-bolt LS crank pattern
- Flywheel bolt set: 528
Whatβs Included
Kit consists of:
- RAM 1550 (pressure plate)
- RAM 88935 (12" organic disc)
- RAM 490 bolt set
- Billet steel flywheel
- Dowel pins
- Alignment tool
- (Hydraulic release bearing sold separately)
Why Choose RAM LS Kits
RAMβs LS clutch packages provide the perfect balance of drivability, power capacity, and durability. The large 12β disc and high clamp load deliver improved holding power while maintaining excellent street manners.
Why Buy From Bowler Performance
- Authorized RAM distributor
- Fast shipping
- Expert drivetrain tech support
- Trusted by hot rod, pro touring, and engine swap builders nationwide
Part Number
25-831











