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- HDX clutch set
- 11 x 1 1/8-10 Spline
- HDX clutch set 1955-85 GM Diaphragm 11 x 1 1/8-10
- HDX Clutch Set
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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 |
|---|---|---|---|---|
| 1990 - GMC R3500 | V | - | 8 Cyl 5.7L | 350 |
- steel flywheel
- External. Balance; 168 Teeth; 10.5/11 B&B And Diaphragm; 11 Long Style
- Steel flywheel Chevy 305-350/86-92/ext. bal./168T/10.5/11 B/B/Diaphragm/11 Long style
- Steel Flywheel
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Features:
- Dynamically Balanced Within 1/2 oz./in. Of Factory Specifications
- Surface Ground For Optimum Disc Mating Surface
- Strictly Factory Warranty Only
- The flywheel accepts one half of the load of the clutch system. To realize the potential of the clutch system, the flywheel must be flat, parallel to the crankshaft flange, properly surface ground for maximum friction compatibility with the clutch disc, and balanced. Dyno testing proves that flywheel balance is critical to achieving maximum engine service. Every RAM flywheel is dynamically balanced to within ? ounce/inch of the factory specification. RAM aluminum flywheels have a .250 inch thick steel friction insert to handle the heat generated under extreme conditions, while allowing resurfacing without the need to replace the insert. All RAM flywheels are manufactured from SFI certified materials in our South Carolina facility.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1990 - GMC R3500 | V | - | 8 Cyl 5.7L | 350 |
- 11 x 1 1/8-10 Spline
- Replacement clutch set 1955-85 GM Diaphragm 11 x 1 1/8-10
- Replacement Clutch Set
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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 |
|---|---|---|---|---|
| 1990 - GMC R3500 | V | - | 8 Cyl 7.4L | 454 |
- pilot bushing/bearing
- 0.642 in. ID; 1.093 in. OD; 0.715 in. Length
- Pilot bushing/bearing GM
- Product Attributes:
- Inside Diameter: 0.642 In.
- Outside Diameter: 1.093 In.
- Overall Length: 0.715 In.
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Features:
- Pilot Bushing/Bearing
- Strictly Factory Warranty Only
- Premium replacement pilot bearings and bushings complete your clutch install for a long, trouble free life of operation.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1990 - GMC R3500 | V | - | 8 Cyl 7.4L | 454 |
- 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
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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 |
|---|---|---|---|---|
| 1990 - GMC R3500 | V | - | 8 Cyl 7.4L | 454 |
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