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Vehicle Info NeededPROMAXX PERFORMANCEPART NUMBER: 723-8501K
GM LS Series Xtreme Dual Valve Spring Kit Includes: Xtreme Dual Valve Spring Kit
$50949
Ships on 09/17/2026
Lowest Price GuaranteeLS Series Xtreme Gold
- GM LS Series Xtreme Dual Valve Spring Kit
- Xtreme Dual Valve Spring Kit
- LS Spring Tool
- Flex Air Valve Holder Tool
Kit Includes: - ProMaxx Performance Xtreme Dual Valve Spring Kit - 723-8501
- JEGS LS Spring Tool - 555-805020
- JEGS Flex Air Valve Holder Tool - 555-W84003
Includes:
- ProMaxx Performance LS Series Gold Dual Spring Kits include enough product to do a pair of cylinder heads...16 ProMaxx Gold valve springs, 16 titanium retainers, 32 Super 7 Machined valve locks, 16 .505" inside diameter machined spring bases and 16 *Viton® rubber valve seals! They are the best "drop-in" LS dual valve spring kits available in the performance aftermarket. These kits work with both stock or aftermarket rocker arms and best of all NO cutting or machining of the stock spring pocket is required!LS Series Gold: This kit is great for stock to moderately modified engines and fits all LS1, LS2, LS3 and LS6 cylinder heads!LS Series Extreme: This kit evolved from the original Gold and is great for power adder applications, heads using larger valves and for more aggressive cam profiles.
JEGS Easy Kits are designed by JEGS professionals so you get all the parts you need.
Part TypeValve Spring
Product LineProMaxx Performance LS Series Gold Dual Spring Kits
BrandPROMAXX PERFORMANCE
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number8501K
Package Qty1
Package TypeEA
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