
Supertech Dual Valve Spring Kit for 4G63 Evo/DSM
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 |
Supertech retainers are manufactured with high quality military certified Titanium alloy, and are CNC machined for a tight fit.

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Supertech Dual Valve Spring Kit for 4G63 Evo/DSM
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 |
Supertech retainers are manufactured with high quality military certified Titanium alloy, and are CNC machined for a tight fit.

Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
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 |
Supertech retainers are manufactured with high quality military certified Titanium alloy, and are CNC machined for a tight fit.





















