Overview
The best dual Valve Spring Upgrade Kit at the best value.
Modernise your Chrysler small blocks with these high quality small OD, light weight valve springs kit.
The PAC dual valve springs increase RPM & power to your build without breaking your budget. Engineered for the street and built to perform, it’s the perfect choice for street machines, cruisers, and classic V8s that take the punishment of everyday performance. Ideal for street use and moderate race applications.
These parts are manufactured from premium-grade materials, engineered for reliability, and priced for value!
Whats in the Kit?
- PAC Dual Springs
- Comp Cams Chromoly Steel Retainers - 7 Deg fits DRP SSS springs.
- Locks - 7 Deg, 11/32 valve stem - 4140 Chromemoly Steel
- Comp Cams Chormoly Spring locators - suit 0.570" guide
- Valve Stem seals: Viton knock on type - 0.500"
Specifications:
- Installed Height: 1.800"
- Seat Load: 145lbs @ 1.800"
- Spring Rate: 374 lbs / inch
- Max Lift: .740" @ 060" safety.
- Outside Diameter: 1.295
- Outer Spring ID: 0.950
- Inner Spring ID: 0.685
- Coil Bind (max): 1.000
| Spring Height Inch: | Load lbs |
|---|---|
| 1.950: | 89 |
| 1.900: | 108 |
| 1.850: | 126 |
| 1.800: | 145 |
| 1.750: | 164 |
| 1.700: | 182 |
| 1.650: | 201 |
| 1.600: | 220 |
| 1.550: | 238 |
| 1.500: | 257 |
| 1.450: | 276 |
| 1.400: | 294 |
| 1.350: | 313 |
| 1.300: | 332 |
| 1.250: | 351 |
| 1.200: | 369 |
| 1.150: | 388 |
| 1.100: | 407 |
| 1.000: | Coil Bind |
Customer Reviews
No reviews to display
Additional Information
| SKU | 25966 |
|---|---|
| Sale Unit | Each |