Supertech Beehive Valve Spring Kit for EJ WRX/STi
Supertech beehive valve spring kits for EJ20/EJ25 Subaru WRX and STi. Includes 16 beehive springs, 16 titanium retainers and valve seat locators. There are 3 options for the pressure seat, please do all your research and consult your engine builder if necessary!
Vehicle Fitment:
2002-2014 Subaru WRX
2004-2021 Subaru STi
Purchase Includes:
(16) Beehive Valve Springs
(16) Titanium Retainers
(16) Valve Seats
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.
Images are for reference.
Vehicle Fitment:
2002-2014 Subaru WRX
2004-2021 Subaru STi
Purchase Includes:
(16) Beehive Valve Springs
(16) Titanium Retainers
(16) Valve Seats
| Part Number: | Pressure Seat: | Details: |
| SPRK-TS1015-BE/SU1 | 70lbs @ 35.50mm | Max Lift: 12.5mm Coil Bind: 21.80mm Rate: 12.70mm Retainer: RET-TS60/WRX-BE Spring: SPR-TS1015-BE Seat Locator: SEAT-TS/SUB1 |
| SPRK-TS1015-BE/SU3 | 65lbs @ 36.00mm | Max Lift: 14.20mm Coil Bind: 21.80mm Rate: 12.70mm Retainer: RET-TS60/WRX-BE Spring: SPR-TS1015-BE Seat Locator: SEAT-TS/SUB3 |
| SPRK-TS1015-BE/SU4 | 85lbs @ 34.25 | Max Lift: 11.50mm Coil Bind: 21.80mm Rate: 12.70mm Retainer: RET-TS60/WRX-BE Spring: SPR-TS1015-BE Seat Locator: SEAT-TS/SUB4 |
Supertech retainers are manufactured with high quality military certified Titanium alloy, and are CNC machined for a tight fit.
Images are for reference.
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