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Product Details
| Part Number: | SPRK-H1021D-ST |
| Brand: | Supertech |
| Valve Spring Seat Pressure: | 95 lbs |
| Valve Spring Open Pressure: | 261 lbs |
Upgrade your Honda F20 or K20 engine with the Supertech Dual Valve Spring Kit, designed to enhance valve control and improve overall engine performance. Crafted by Supertech, this kit is engineered to meet the demanding needs of automotive enthusiasts seeking reliable, high-quality components for engine rebuilds or upgrades. The kit includes dual valve springs that ensure optimal valve seating and reduce valve float at high RPMs, providing a stable and consistent engine operation under various conditions. Constructed with durable materials, these springs are built to withstand the rigors of performance driving and extended use, ensuring longevity and reliable performance over time.
Features:
- High-tensile Chrome Silicon Vanadium dual spring construction
- Military-grade Titanium retainers reduce mass and increase RPM ceiling
- Computer-modeled spring profiles ensure harmonic stability
- Designed to maintain consistent seat pressure under extreme conditions
- CNC-machined components for exact fit and long-term reliability
- Designed specifically for Honda F20 and K20 engines for precise fit and optimal performance
- Dual valve springs for enhanced valve control and stability during high RPM operation
- Built with durable, high-quality materials to withstand intense engine conditions
- Engineered by Supertech for reliable performance and long-lasting durability
- Ideal for engine rebuilds, performance upgrades, or racing applications
- Coil Bind: 22.70mm
- Rate: 13.20lbs/mm
- Retainer: ret-hbk-st
- Retainer Qty: 16
- Seat Locator: seat-h1020ds
- Seat Locator Qty: 16
- Kit Spring: spr-h1021d
- Kit Spring Qty: 16
- Safe Rpm Limit: 8000
- Max Lift: 15.30mm
- Open Pressure: 261lbs @ 12.00mm
- Seat Pressure: 95lbs @ 40.40mm
- Inner Spring Id: 15.50mm
- Inner Spring Od: 21.30mm
- Outer Spring Id: 21.80mm
- Outer Spring Od: 30mm
Due to the manufacturer's price control policy, this item may be excluded from promotions and discounts
WARNING: This product may contain chemicals known to the State of California to cause cancer or birth defects. www.P65Warnings.ca.gov.
Vehicle Fitment
2001 Honda S2000 Base
2002 Honda S2000 Base
2003 Honda S2000 Base
Engine Fitment
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