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KAT-A7674 Gen 5 LT1 CNC Ported Cylinder Heads CNC ported LT1 heads set up for .6  Product 61 of 107 in category LT Engine Components  KAT-7287 LT Thermostat Bypass Valve and Thermostat Spring Replacement for origin

KAT-7128 H13 Tool Steel Extreme Duty Valve Spring Retainer Designed for use with

KAT-7128 H13 Tool Steel Extreme Duty Valve Spring Retainer Designed for use with
$14.69 
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This hardened H13 tool steel retainer was developed on our Spintron valvetrain dynamics test cell to be used with Katech camshaft packages for increased long term wear resistance versus existing titanium retainers. Titanium valve spring retainers have been validated in these packages for years, but are a maintenance item as the steel spring does normally etch into the titanium retainer. These H13 tool steel extreme duty retainers were developed for extreme racing conditions that can be more harsh on valvetrain components than usual. They have been validated for stability up to 8100rpm and for durability using Katech™s 24 Hours Of Daytona course simulation.

Part number KAT-7128

Fits both PSI LS1511 and LS1516 springs.

OEM “ 11.4g
Katech Ti “ 5.0g
Katech H13 “ 9.1g

This product was added to our catalog on Wednesday 14 September, 2022.
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KAT-A7674 Gen 5 LT1 CNC Ported Cylinder Heads CNC ported LT1 heads set up for .6  Product 61 of 107 in category LT Engine Components  KAT-7287 LT Thermostat Bypass Valve and Thermostat Spring Replacement for origin
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