These replacement springs are used with the STM Denso-style coil on plug (COP) ignition kits for Evo 4-8 and Evo 9. These little springs can get damaged with wear and use, but are super easy to replace! Sold individually as needed, price is for one spring.
Vehicle Fitment:
Fits Evo 4-9 Denso Coil on Plug Ignition Kits
• Note this does NOT fit the GTR NGK Kits
Purchase Includes:
(1) Spring
See more STM Products
Best Sellers
STM Replacement Coil Spring for Evo 4-9 Denso COP
Original price was: $3.99.$1.19Current price is: $1.19.



![JDMuscle [15-21 WRX/STI] Carbon Fiber Fender Emblem w/ STI etching](https://www.motiv8autoco.com/wp-content/uploads/2026/SK0204675-US20260703-172840-0.webp)


Reviews
There are no reviews yet.