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- 11 x 1 1/8-10 Spline 2.750 in. Crank Pilot Refers To Flywheel Center Hole Opening
- Replacement clutch set 1955-85 GM Diaphragm 11 x 1 1/8-10
- Replacement Clutch Set
-
Features:
- Replacement Clutch Set
- OEM Quality Replacement Components
- Includes Pressure Plate/Disc/Release Bearing/Alignment Tool
- RAM replacement clutch sets use oem components for a hassle free installation. Each set includes the pressure plate, clutch disc, release bearing (where applicable), and alignment tool. These clutches are for use in stock vehicles used solely on the street.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1981 - Pontiac Bonneville | V | 3800 | 6 Cyl 3.8L | 231 |
- HDX clutch set
- 10.5 x 1 1/8-10 Spline
- HDX clutch set 1955-85 GM Diaphragm 10.5 x 1 1/8-10
- HDX Clutch Set
-
Features:
- Built With 30 Percent More Clamp Pressure Than Stock
- Smooth
- Chatter Free Operation
- Premium Organic Composite Disc Friction Material
- Exclusive 8-Spring Hub Assembly Where Applicable
- Great Drivability
- Use For Power Levels To 450 HP
- Includes Pressure Plate/Disc/Release Bearing/Alignment Tool
- The basic RAM concept of clutch performance is simple: Increased clamp pressure is the single most effective way to manage high horsepower or load, especially in street driven performance cars. We purpose build RAM HDX pressure plates with 30% more clamp pressure than stock. The second important feature is smooth, chatter free operation, which we achieve with premium organic composite disc friction material. Also, HDX discs feature our exclusive 8-spring hub assembly for added load capacity. HDX. Great driveability and control for power levels to 450 horsepower. Sets include pressure plate, disc, release bearing, and alignment tool unless otherwise noted.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1981 - Pontiac Bonneville | V | 3800 | 6 Cyl 3.8L | 231 |
- HDX clutch set
- 11 x 1 1/8-26 Spline
- HDX clutch set 1955-85 GM 11 Diaphragm 1 1/8-26
- HDX Clutch Set
-
Features:
- Built With 30 Percent More Clamp Pressure Than Stock
- Smooth
- Chatter Free Operation
- Premium Organic Composite Disc Friction Material
- Exclusive 8-Spring Hub Assembly Where Applicable
- Great Drivability
- Use For Power Levels To 450 HP
- Includes Pressure Plate/Disc/Release Bearing/Alignment Tool
- The basic RAM concept of clutch performance is simple: Increased clamp pressure is the single most effective way to manage high horsepower or load, especially in street driven performance cars. We purpose build RAM HDX pressure plates with 30% more clamp pressure than stock. The second important feature is smooth, chatter free operation, which we achieve with premium organic composite disc friction material. Also, HDX discs feature our exclusive 8-spring hub assembly for added load capacity. HDX. Great driveability and control for power levels to 450 horsepower. Sets include pressure plate, disc, release bearing, and alignment tool unless otherwise noted.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Sub Model | CID |
|---|---|---|---|---|---|
| 1981 - Pontiac Firebird | V | - | 8 Cyl 5.0L | Formula | 305 |
- 10.5 x 1 1/8-10 Spline 2.750 in. Crank Pilot Refers To Flywheel Center Hole Opening
- Replacement clutch set 1955-85 GM Diaphragm 10.5 x 1 1/8-10
- Replacement Clutch Set
-
Features:
- Replacement Clutch Set
- OEM Quality Replacement Components
- Includes Pressure Plate/Disc/Release Bearing/Alignment Tool
- RAM replacement clutch sets use oem components for a hassle free installation. Each set includes the pressure plate, clutch disc, release bearing (where applicable), and alignment tool. These clutches are for use in stock vehicles used solely on the street.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1981 - Pontiac Catalina | V | - | 8 Cyl 4.4L | 267 |
- Powergrip clutch set
- 11 x 1 1/8-10 Spline 2.750 in. Crank Pilot Refers To Flywheel Center Hole Opening
- Powergrip clutch set 1955-85 GM 11 Diaphragm 1 1/8-10
- Powergrip Clutch Set
-
Features:
- Effectively Increase The Clutch Capacity To The 550 HP Level
- 8 Spring Hub Is Equipped w/Ram Polycoil Damper Springs
- 900/300 Series Friction Material Has Great Drivability
- Meets SFI Specifications
- Includes Pressure Plate/Disc/Release Bearing/Alignment Tool
- As power levels move up to and beyond 500 horsepower. RAM POWERGRIP meets the challenge with a combination of organic and metallic disc friction surfaces that effectively increase the clutch capacity to the 550 horsepower level. The 8-spring hub is equipped with RAM POLYCOIL damper springs encapsulated in polyurethane. This spring can handle three times the shock load of just the coil spring, and is standard in all RAM competition discs. The RAM Competition pressure plate in this kit provides 30% more clamp pressure than stock, and meets SFI specifications. At this high level of performance RAM POWERGRIP provides surprisingly good driving characteristics with smooth, comfortable driver control. Sets include pressure plate, disc, release bearing, and alignment tool unless otherwise noted.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1981 - Pontiac Catalina | V | - | 8 Cyl 4.3L | 265 |
- 10.5 x 1 1/8-10 Spline
- Replacement clutch set 1955-85 GM Diaphragm 10.5 x 1 1/8-10
- Replacement Clutch Set
-
Features:
- Replacement Clutch Set
- OEM Quality Replacement Components
- Includes Pressure Plate/Disc/Release Bearing/Alignment Tool
- RAM replacement clutch sets use oem components for a hassle free installation. Each set includes the pressure plate, clutch disc, release bearing (where applicable), and alignment tool. These clutches are for use in stock vehicles used solely on the street.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Sub Model | CID |
|---|---|---|---|---|---|
| 1981 - Pontiac Firebird | V | - | 8 Cyl 5.0L | Trans Am | 305 |
- Powergrip HD Clutch set
- 11 x 1 1/8-26 Spline
- Powergrip HD clutch set 1955-85 GM 11 Diaphragm 1 1/8-26
- Powergrip HD Clutch Set
-
Features:
- True Strip/Street Competition Clutch System To The 650 HP Level
- 8 Spring Hum Is Equipped w/Ram Polycoil Damper Springs
- Sintered metallic Friction Material
- For Vehicles That See Frequent Track Duty
- Meets SFI Specifications
- Includes Pressure Plate/Disc/Release Bearing/Alignment Tool
- POWERGRIP HD is a true "strip/street" competition clutch system that can handle the rigors of weekend racing and spirited street driving. This system has the same components as standard POWERGRIP above with the exception that the disc friction surfaces are both sintered iron. Sintered iron provides a degree of slippage on vehicle launch to prevent the violent and uncontrollable engagement characteristics of paddle type metallic discs. This firm consistent engagement is easy to control. Some chatter is likely on engagement with rear gearing less than 3.73 in street applications. Each set includes the pressure plate, clutch disc, release bearing, and alignment tool unless otherwise noted. Use Powergrip HD for power levels to 650 horsepower, or lower powered vehicles that see frequent track duty.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Sub Model | CID |
|---|---|---|---|---|---|
| 1981 - Pontiac Firebird | V | - | 8 Cyl 5.0L | Trans Am | 305 |
- Powergrip clutch set
- 10.5 x 1 1/8-10 Spline
- Powergrip clutch set 1955-85 GM 10.5 Diaphragm 1 1/8-10
- Powergrip Clutch Set
-
Features:
- Effectively Increase The Clutch Capacity To The 550 HP Level
- 8 Spring Hub Is Equipped w/Ram Polycoil Damper Springs
- 900/300 Series Friction Material Has Great Drivability
- Meets SFI Specifications
- Includes Pressure Plate/Disc/Release Bearing/Alignment Tool
- As power levels move up to and beyond 500 horsepower. RAM POWERGRIP meets the challenge with a combination of organic and metallic disc friction surfaces that effectively increase the clutch capacity to the 550 horsepower level. The 8-spring hub is equipped with RAM POLYCOIL damper springs encapsulated in polyurethane. This spring can handle three times the shock load of just the coil spring, and is standard in all RAM competition discs. The RAM Competition pressure plate in this kit provides 30% more clamp pressure than stock, and meets SFI specifications. At this high level of performance RAM POWERGRIP provides surprisingly good driving characteristics with smooth, comfortable driver control. Sets include pressure plate, disc, release bearing, and alignment tool unless otherwise noted.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1981 - Pontiac Catalina | V | - | 8 Cyl 4.3L | 265 |
- Powergrip clutch set
- 11 x 1 1/8-10 Spline
- Powergrip clutch set 1955-85 GM 11 Diaphragm 1 1/8-10
- Powergrip Clutch Set
-
Features:
- Effectively Increase The Clutch Capacity To The 550 HP Level
- 8 Spring Hub Is Equipped w/Ram Polycoil Damper Springs
- 900/300 Series Friction Material Has Great Drivability
- Meets SFI Specifications
- Includes Pressure Plate/Disc/Release Bearing/Alignment Tool
- As power levels move up to and beyond 500 horsepower. RAM POWERGRIP meets the challenge with a combination of organic and metallic disc friction surfaces that effectively increase the clutch capacity to the 550 horsepower level. The 8-spring hub is equipped with RAM POLYCOIL damper springs encapsulated in polyurethane. This spring can handle three times the shock load of just the coil spring, and is standard in all RAM competition discs. The RAM Competition pressure plate in this kit provides 30% more clamp pressure than stock, and meets SFI specifications. At this high level of performance RAM POWERGRIP provides surprisingly good driving characteristics with smooth, comfortable driver control. Sets include pressure plate, disc, release bearing, and alignment tool unless otherwise noted.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Sub Model | CID |
|---|---|---|---|---|---|
| 1981 - Pontiac Firebird | V | - | 8 Cyl 4.4L | Esprit | 267 |
- Powergrip clutch set
- 11 x 1 1/8-26 Spline
- Powergrip clutch set 1955-85 GM 11 Diaphragm 1 1/8-26
- Powergrip Clutch Set
-
Features:
- Effectively Increase The Clutch Capacity To The 550 HP Level
- 8 Spring Hub Is Equipped w/Ram Polycoil Damper Springs
- 900/300 Series Friction Material Has Great Drivability
- Meets SFI Specifications
- Includes Pressure Plate/Disc/Release Bearing/Alignment Tool
- As power levels move up to and beyond 500 horsepower. RAM POWERGRIP meets the challenge with a combination of organic and metallic disc friction surfaces that effectively increase the clutch capacity to the 550 horsepower level. The 8-spring hub is equipped with RAM POLYCOIL damper springs encapsulated in polyurethane. This spring can handle three times the shock load of just the coil spring, and is standard in all RAM competition discs. The RAM Competition pressure plate in this kit provides 30% more clamp pressure than stock, and meets SFI specifications. At this high level of performance RAM POWERGRIP provides surprisingly good driving characteristics with smooth, comfortable driver control. Sets include pressure plate, disc, release bearing, and alignment tool unless otherwise noted.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Sub Model | CID |
|---|---|---|---|---|---|
| 1981 - Pontiac Firebird | V | - | 8 Cyl 5.0L | Trans Am | 305 |
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