|Supertech valve springs are computer
designed to ensure smooth harmonics under high RPM and load. The stress
levels are kept under control and fatigue is reduced for long durability
under extreme conditions.
These springs are made of premium Super clean Chrome Silicon Vanadium steel alloy, which is a tough alloy that was designed
for higher performance and durability at high RPM and memory retention.
Part # SPRK-H1005D
SPR-H1005D & RET-K20A2/T2
Computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue for long durability under extreme conditions.
Computer software also allows us to make sure that the harmonics are well under control.
The Retainers are manufactured with high quality military certified Titanium alloy, CNC machined fir a tight fit that will ensure durability.
Disclaimers: Images in most cases are for display purposes only. Please read carefully about the product before buying, and contact us if you have any questions. If we are low on stock in store, items may ship from the manufacturer or one of our distributors. Depending on your location, some items may ship via FedEx with a 1-3 business day gaurantee. Please contact us directly if you need expedited services, or if you're an international customer that would like to purchase over-sized items.
Important Shipping NOTICE: Posted shipping cost ONLY applies for lower 48 states. Shipping to HI/PR/AK/VI/GU may cost more. Please contact us before you place any order. Thank you.