Lunati Dual Valve Springs - (1.300" Diameter)
Racers and engine builders of street/track based performance engines now have a new, extreme usage, small diameter dual valve spring that safely extends engine RPM and boosts performance capability with normally aspirated or power-added combinations.
Lunati’s 1.300" diameter dual springs feature precision wound, heat set for required seat and open load pressure plus total spring travel to accommodate cams with aggressive gross valve lifts of up to .660” depending on application.
VALVE SPRING SPECIFICATIONS:
- 1.306" Outside Diameter
- 0.676" Inside Diameter
- Maximum lift: .660"
- Seat load: 153# at 1.810"
- Open load: 400# at 1.150"
- Rate: 379#/inch
- Coil bind: 1.100"
PART NUMBER: LUN-73925-16