CTS Turbo

Valve Spring and Retainer Kit

$1,097.29

SKU: SPRK-TC25D/VR6

In Stock
In Stock
Ships by Aug 31
Free Shipping over $200
$100 Minimum Order
30 Days Return

Description

The Supertech SPRK-TC25D-VR6 valve spring and retainer kit is engineered for enhanced performance in Audi and VW 3.2 24V VR6 (R32) engines. Key specifications include a seat pressure of 80 lbs at 36.00mm and an open pressure of 205 lbs at 10mm, with a maximum lift of 13.90mm. The spring coil bind is measured at 12/17mm, and the rate is 12.60 lbs/mm. The outer springs feature an outer diameter of 25.00mm and an inner diameter of 18.00mm, while the inner springs have an outer diameter of 18.00mm and an inner diameter of 13.00mm. This kit contains 24 dual springs (SPR-TC25D-VR6), 24 titanium retainers (RET-K20A3-TC25), and 24 seats (SEAT-VR624).

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandCTS Turbo
Part NumberSPRK-TC25D/VR6
CategoryEngines and Components

We’re here — turning wrenches, just like you.

Call us, follow along, or come say hi.

(760) 282-4645 Instagram Google

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

View Full Shipping Policy