Supertech dual valve spring kits for 4G63 Evo, DSM and GVR4. Includes 16 dual springs, 16 titanium retainers, 16 valve seats and reduced O.D. valve seals. There are four options for the pressure seat, please do all your research and consult your engine builder if necessary!
Vehicle Fitment:
1992-2006 Evolution I-IX
1990-1999 Eclipse GST/GSX
1990-1998 Talon TSi
1990-1994 Laser RS
1991-1992 Galant VR-4
Install Notes:
Some 1G castings may need to use different seat locators due to taller valve guide boss.
Purchase Includes:
(16) Dual Valve Springs
(16) Titanium Retainers
(16) Valve Seats
(16) Reduced O.D. Valve Seals
| Part Number: | Pressure Seat: | Details: |
| SPRK-M1005D | 80 @ 39.6mm | Max Lift: 16.00mm Coil Bind: 23.50mm Rate: 10.50 lbs/mm Retainer: RET-M65/T1 Spring: SPR-M1007D Seat Locator: SEAT-M1007D Valve Stem Seal: VS-H6.6E |
| SPRK-M1007D | 92 @ 39.6mm | Max Lift: 14.90mm Coil Bind: 24.70mm Rate: 12.50 lbs/mm Retainer: RET-M65/T1 Spring: SPR-M1007D Seat Locator: SEAT-M1007D Valve Stem Seal: VS-H6.6E |
| SPRK-M1007D-2 | 100 @ 39.0mm | Max Lift: 14.30mm Coil Bind: 24.70mm Rate: 12.50 lbs/mm Retainer: RET-M65/TSTD Spring: SPR-M1007D Seat Locator: SEAT-M1007D Valve Stem Seal: VS-H6.6E |
| SPRK-M1007D-3 | 110 @ 38.1 | Max Lift: 13.40mm Coil Bind: 24.70mm Rate: 12.50 lbs/mm Retainer: RET-M65/TSTD Spring: SPR-M1007D Seat Locator: SEAT-M1007D/FP Valve Stem Seal: VS-H6.6E |
All Supertech valve springs are made with premium Superclean Chrome Silicon Vanadium Steel alloy for higher performance and durability at high RPM. Using high quality steel alloy also provides the added benefit of better structural memory.
Supertech retainers are manufactured with high quality military certified Titanium alloy, and are CNC machined for a tight fit.
| Select Pressure Seat: | 80 @ 39.6 (SPRK-M1005D), 92 @ 39.6 (SPRK-M1007D), 100 @ 39.0 (SPRK-M1007D-2), 110 @ 38.1 (SPRK-M1007D-3) |
|---|
Fast Shipping with Professional Packaging
We provide a variety of shipping options thanks to our long-standing relationships with UPS, FedEx and DHL. Our warehouse personnel are well trained and will be able to pack your goods in accordance with the exact and precise specifications. Before shipping, all goods are carefully examined and secured. We deliver to thousands of clients each day across multiple countries. The fact that we're dedicated to becoming the largest online retailer in the world is obvious. Warehouses and distribution centers can be found in Europe as well as the USA.
Orders that contain more than one item are assigned processing times according to each item.
We will inspect each and every one of the items ordered before shipping. The majority of orders are shipped within 48-hours. Delivery is expected to take between 3 and seven days.
Returns
We do not manage the stock in our warehouse or factory. The levels of stock can change at any time. Please be aware that it's possible for your order to be out of stock after you have placed the order.
The policy is 30 days. If it's been longer than 30 days since you bought the item We're sorry to say that we can't offer you a full refund or exchange.
The item cannot be used, and it must be in its original condition. It must also still be in the original package.
Related products
