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Engines and Components› Camshafts and Valvetrain

Supertech

Supertech BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring Kit

$1,180.03 $944.30 Save $235.73

SKU: S00P SPRK-H1000D-BM

In Stock
In Stock
Ships by Oct 8
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 24 springs, retainers, and seat locators designed for BMW M50, S50, S52, M52, and M54 engines. This kit features forged material construction and a maximum lift of 12.70mm. It underwent a gas nitriding process before shot peening to improve fatigue life.
Show original supplier description

Part #: SPRK-H1000D-BM

Vehicle Symptoms
  • Engine has high-RPM misfire under load
  • Valve float at high RPM
  • Ticking noise from valvetrain at high RPM
  • Loss of power at high RPM
Relevant Conversations
  • valve float at high rpm symptoms
  • high rpm misfire BMW M50 upgrade
  • Supertech dual valve spring review
  • M52 valve spring upgrade for turbo
  • 12.70mm lift valve spring kit
  • my engine has a ticking noise at 6000 rpm
  • upgrade valve springs before cam swap
  • forge valve springs vs OEM
  • valve spring seat pressure 80 lbs
  • BMW S50 valve spring install tips

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

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

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Specifications

BrandSupertech
Part NumberS00P SPRK-H1000D-BM
5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

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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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