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Product details
Dual valve springs for racing, hand checked and magnafluxed. The outer spring is 1.246 inch in diameter from .153 inch wire. The inner is .910 inch diameter from .113 inch wire. Together they lift .630 inch and more, with coil bind at .800 inch. Valve guide bosses must be machined for any dual spring kit.
Technical Details
- Manufacturer: EMPI
- Manufacturer part number: 00-4037-0
- Outer spring: 1.246 inch OD, .153 inch wire
- Inner spring: .910 inch OD, .113 inch wire
- Maximum lift: .630 inch and more
- Coil bind: .800 inch
- Quantity: 8
Fitment & Compatibility
Requires machining of the valve guide bosses.
