- TYPE: Dual Spring
- PRESS.SEAT: 92 @40.40mm
- MAX Net LIFT: 17.70mm
- COIL BIND: 22.70mm
- RETAINER: RET-K20A2/T2
- SPRING : SPR-H1021D
- SEAT LOCATOR : SEAT-H1020DS
Supertech dual valve springs are designed and manufactured to reduce valvetrain harmonics, increase durability, and provide an increase in performance for your high performance racing engine. All of Supertech dual valve springs are manufactured using superclean chrome silicon vanadium alloy and then heat treated, stress relieved and shoot peened to help improve the fatigue life of the spring.
Supertech offers CNC machined retainers manufactured from high strength and hardened aerospace certified titanium alloy. Designed to add strength while offering weight reduction, all of our titanium retainers are finished to precise tolerances.
Shipping
- Orders ship within 1-2 business days.
- Free shipping only applies to the contiguous 48 states.
- Orders with shipping addresses in Alaska, Hawaii, US Virgin Islands, Puerto Rico and Guam are subject to additional shipping charges.
- International shipping is available.
- International Customers - Note that import duties, tax, and other custom charges are not included in the item price or shipping. charges. These charges are the buyers responsibility.
Payment
- We accept payments via PayPal.
- Sales Tax is charged for California residents and will be calculated at checkout.
Returns
- We offer a 30 day return Policy.
- Buyer pays for return shipping.
- Returns must be in brand new unopened condition (sealed in original manufacturers packaging).
- All returns are subject to a 20% restocking fee.
- Original outbound shipping charges are non refundable.