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Ships within 48 hours · Estimated delivery Jul 21 - Jul 26
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For Your Every Summer RSVP, with Code: SUMMER15
Description
660" Dual Valve Spring Kit SS030 SS015 for LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 4.8 5.3 6.0Part Number: SS015, SS030Specification: Specification: 1. Max Lift: . 660" 2. Spring specs are: 155 lbs @ 1. 780" 380 lbs @ 1. 180" 400 lbs @ 1. 130 Coil bind @ 1. 070"Application: Fit for General Motors LS based small block engine: LS1, LS2, LS3, LS4, LS6, L76, L92, L99, LQ4, LQ9, L33, LSA 4. 8, 5. 3, 6. 0 Feature: 1. This is a drop in spring kit for all 15 degree LS heads including LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA, etc. this kit will
Part Number:
SS015, SS030Specification:
Specification:1. Max Lift: .660"
2. Spring specs are:
155 lbs @ 1.780"
380 lbs @ 1.180"
400 lbs @ 1.130
Coil bind @ 1.070"
Application:
Fit for General Motors LS-based small-block engine:LS1, LS2, LS3, LS4, LS6, L76, L92, L99, LQ4, LQ9, L33, LSA-4.8, 5.3, 6.0
Feature:
1. This is a drop-in spring kit for all 15 degree LS heads including LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA, etc. this kit will also fit LS7 heads with approximately .045" of spring shim (part numbers SS015 and SS030).
2. This kit will not fit LS9 engines, please use part number SK006 for LS9 heads.
Content:
16X Dual Polished Spring32X VL7°8MM-1 locks
16X Chromoly steel (SR001S-1) retainers
16X Locators for stock (SL505060-1) or bronze (SL565060-1) guides
16X VS LS valve seals
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.9 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 5
Easy to install, fits great, money saver!
Easy to install, just as expected! Fit great and so much cheaper than having the mechanic shop do it!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 20, 2026
★★★★★ 5
Good quality and price
Cheaper than autozone, and it arrives to my front door. Very easy to install, since I am not familiar doing very many things to my car, but youtube showed me, and 2 minutes later, it was done.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 4, 2025
★★★★★ 5
Great price, easy install
OEM fit and very easy to install. No issues at all — everything worked exactly as expected.
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Reviewed in the United States on November 19, 2025
★★★★★ 5
Great filter
Always as expected, purchased multiple times!
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Reviewed in the United States on May 11, 2026
★★★★★ 5
Good fit
Good fit
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 12, 2026
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