Engines and Components› Camshafts and Valvetrain

Supertech

Dual Valve Spring Kit

$438.32

SKU: ST-SPRK-H100DR-ST

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Supertech Dual Valve Spring Kit is a set of 16 precision-matched springs and retainers designed for a complete valvetrain overhaul. Developed for performance enthusiasts, this kit offers high performance, quality, and value.

Key features include a maximum lift of 15.00mm, a coil bind of 18.50mm, and a rate of 12.5. The springs have undergone a gas nitriding process and shot peening for improved fatigue life.
Show original supplier description
The Supertech Dual Valve Spring Kit, part number ST-SPRK-H100DR-ST, is a set of 16 precision-matched springs and retainers engineered for a complete valvetrain overhaul in performance applications. Developed for enthusiasts seeking top-tier performance, quality, and value, this kit is constructed from chromoly steel and features a gas nitriding process followed by shot peening to enhance fatigue life. This kit offers a maximum lift of 15.00mm and a coil bind of 18.50mm, with specific pressure ratings of 85 lbs at 33.5mm seat pressure and 210 lbs at 10mm open pressure. The spring dimensions include an outer diameter of 30.20mm and an inner diameter of 16.80mm, with a rate of 12.5. The kit includes 16 springs and 16 retainers. Applications for this dual valve spring kit include the 1992-2001 Acura Integra GS-R, 2000-2001 Acura Integra USDM/CDM Type R, 1999-2000 Honda Civic USDM Si, and the 1994-1995 Honda Civic Del Sol. Engines compatible with this kit are the Honda/Acura B17A, B18C1, B18C5, and B16A. Due to the nature of the application, these parts are sold without any express warranty or implied warranty of merchantability or fitness for a particular purpose.

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

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Specifications

BrandSupertech
Part NumberST-SPRK-H100DR-ST
CategoryEngines and Components

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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.

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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.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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