Supertech Dual Valve Spring Kit SPR-TS1015/SU4 - Subaru WRX/STi EJ Turbo DOHC 16V
Supertech Dual Valve Spring Kit SPR-TS1015/SU4 - Subaru WRX/STi EJ Turbo DOHC 16V is backordered and will ship as soon as it is back in stock.
Shipping & Returns
Shipping & Returns
Shipping is calculated at checkout. Some oversized products require additional freight shipping. See our Shipping and Return policies for complete details.
Supertech Dual Valve Spring Kit SPR-TS1015/SU4 - Subaru WRX/STi EJ ...
Will it fit my Subaru?
Check the fitment notes in the description. Still not sure? Send us your year, model and trim and we'll confirm before you order.
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Description
Description
Supertech part number SPRK-TS1015-SU4.
Fitment / specs
- Supertech chart: SPR-TS1015/SU4 dual springs for EJ20/EJ25 WRX/STi turbo DOHC — seat ~82 lbs @ 34.25mm, open ~220 @ 11.5mm lift; max net lift ~12.5mm; coil bind 20.70mm.
- Kit as supplied (SPRK-TS1015-SU4). Use with matching Supertech retainers/seats (RET-TS60/WRX1 + SEAT-TS/SUB4 per chart — OEM seats not used).
Product details
- Brand: Supertech
- Part number: SPRK-TS1015-SU4
- Category: Engine Components / Valve Springs, Retainers
- Shipping weight: 2.6 lb
- Live T14 stock at check: qty 1 (1 PA|0 TX|0 IN|0 NV)
- Price basis: MAP
Sources: manufacturer/dealer application charts checked 2026-11-06 America/Detroit.
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