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Engines and Components› Camshafts and Valvetrain

Supertech

Performance Valve Spring Kit

$1,075.00 $977.00 Save $98.00

SKU: ENG 901 105 901 HP PMS

In Stock
In Stock
Ships by Sep 13
Free Shipping over $200
$100 Minimum Order
30 Days Return
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Overview

This set is ideal for all street, sport, and racing engines in 1965-1994 Porsche 911, 914-6, 930, 964, 965, and Turbo models.

This kit includes 12 high-performance inner and outer valve spring sets, 12 HP 9mm titanium spring retainers, and 12 HP valve spring seats. It is important to note that this set is not compatible with original equipment (O.E.) valve springs or O.E. valve seats.
Show original supplier description
The Supertech High Performance Valve Spring and 9mm Titanium Retainer Set is engineered for enhanced lightweight valve control in a wide range of Porsche models. This comprehensive kit is specifically designed for 1965-1994 Porsche 911, 914-6, 930, 964, 965, and Turbo vehicles. This set is ideal for owners looking to upgrade their engines for street, sport, or racing applications. The kit provides a significant improvement over standard components. Each set is sold as a quantity of 12, with one set required per engine. This ensures complete coverage for all valves. Included in this high-performance package are (QTY 12) High Performance Valve Spring Sets (comprising both inner and outer springs), (QTY 12) HP 9mm Titanium Spring Retainers, and (QTY 12) HP Valve Spring Seats. The use of titanium for retainers contributes to reduced overall weight and improved durability. Crucially, this set is not compatible with Original Equipment (O.E.) valve springs or O.E. valve seats. Proper installation will require replacement of these components with compatible aftermarket parts.

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 NumberENG 901 105 901 HP PMS
CategoryEngines and Components
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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