Engines and Components› Camshafts and Valvetrain

Cam Motion

LS .660" Dual Valve Spring Kit

$397.31

SKU: CAMVSK143201

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Cam Motion LS .660" Dual Valve Spring Kit is designed for high-performance or racing applications. It supports up to .660" of valve lift when used with stock rocker arms. This kit includes premium polished dual valve springs, titanium retainers, valve locks, spring seats, and valve seals.
Show original supplier description
The Cam Motion LS .660" Dual Valve Spring Kit is engineered for demanding high-performance and racing applications. This comprehensive kit is designed to support valve lifts up to .660" while utilizing stock rocker arms, providing a significant upgrade for GM LS-series engines. The kit includes premium polished dual valve springs with a 378 lb/in spring rate, capable of handling 155 lbs of seat load at 1.780" installed height and 400 lbs of open load at 1.130". The components are designed for reliability, with a coil bind height of 1.070". Spring seats are also included to ensure proper installation and function. It is an excellent upgrade for those seeking to maximize the performance potential of their engine.

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

BrandCam Motion
Part NumberCAMVSK143201
CategoryEngines and Components
5,000+ Trusted brands
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(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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