GM LS Series Xtreme Dual Valve Spring Kit Includes: 16 ProMaxx Xtreme Dual Gold Springs

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PROMAXX PERFORMANCEPART NUMBER: 723-8501

GM LS Series Xtreme Dual Valve Spring Kit Includes: 16 ProMaxx Xtreme Dual Gold Springs

Name: GM LS Series Xtreme Dual Valve Spring Kit Includes: 16 ProMaxx Xtreme Dual Gold Springs
Brand: PROMAXX PERFORMANCE
SKU: 723-8501
Price: 415.51 USD
Availability: InStock

^$415⁵¹

Ships on 09/21/2026

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LS Series Xtreme Gold

16 ProMaxx Xtreme Dual Gold Springs
16 Titanium Retainers
32 Super 7 Machined Locks
16 .505" Machined Spring Bases
16 Viton® Rubber Seals

Extreme Gold Spring Specifications:
Install Height: 1.800"
Max. Valve Spring Lift: .660"
Coil Bind: 1.090"
Spring Pressure Closed: 155 lbs @ 1.800"
Spring Pressure Open: 410 lbs @ 1.140"

Part TypeValve Spring

BrandPROMAXX PERFORMANCE

Package Height3.4

Package Width9.0

Package Length9.1

Weight4.77 PG

Part CategoryPerformance Parts

CoatedNo

Damper Spring IncludedNo

Lock Groove Quantity1-groove

QuantitySold as a kit

Locks IncludedYes

Valve Spring StyleStandard

Retainers IncludedYes

Lock Style7 degree

Outside Diameter Of Outer Spring1.29 in (32.8 mm)

Lock MaterialTitanium

Part FitmentSemi Universal

Retainer MaterialTitanium

Number Of Springs Per ValveDual

Vendor Part Number8501

Package Qty1

Package TypeEA

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