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Product Summary

602, LT4, Single Spring Valve Spring Style, Steel

  • Designed to fit the 1996 LT4 Corvette, ZZ4, GM 602 CT350/400 or ZZ383 engine
  • Valve spring have a 1.25" outside diameter and a 1.20" solid height
  • Pressure at installed height is 80# @ 1.70"
  • Valve lock keepers are a genuine GM factory replacement part
  • Valve spring retainers will fit the 602 GM crate engines

Comes as a Kit

Key Specs

BrandChevrolet Performance Parts
Spring Rate256 lbs.

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Details

Replace your worn out valve springs in your 1996 LT4 Corvette, ZZ4, GM 602 CT350/400 or ZZ383 engine with these quality steel replacement springs.

Kit Includes:

  • (16) Chevrolet Performance CT350 602 Crate Valve Springs
    • Set of 16 single springs
    • Outside diameter: 1.25"
    • Pressure @ installed height: 80# @ 1.70"
    • Solid height: 1.20"
    • Average Rate (lbs@in): 256
    • Genuine replacement part number 12495494 for 1996 LT4 Corvette, ZZ4, GM 602 CT350/400 and ZZ383 engines
    • Note: Catalog technical description update with correct specs as provided here.
  • (32) Chevrolet Performance 602/604 Crate Valve Lock Keepers
    • Set of 32-piece split keepers
    • GM factory replacement
    • Chevy 602/604 engines
    • Diameter: .342"
    • Material Type: Steel
  • (16) Chevrolet Performance CT350 602 Crate Valve Spring Retainer
    • GM factory replacement
    • Chevy 602 engines

Specifications

KEY SPECS
BrandChevrolet Performance Parts
Spring Rate256 lbs.
GENERAL
Valve Spring StyleSingle Spring
Outside Diameter1.250"
Installed Height1.700"
Coil Bind Height1.200"
Material TypeSteel
Sold in QuantityKit
Locks IncludedYes
Lock MaterialSteel