Valve Springs & Spring Kits

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TSP LS INTAKE Seat/Seal for Single Valve Springs, OEM Replacement, Set of 8

SKU: 150-900FK

150-900FK

$15.92
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TSP LS EXHAUST Seat/Seal for Single Valve Springs, OEM Replacement, Set of 8

SKU: 150-901FK

150-901FK

$15.92
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Precision Race Components Viton Valve Seals-150-VS804V - For Larger or Ribbed Aftermarket Valve Guides

SKU: 150-VS804V

150-VS804V

$1.75
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Precision Race Components Viton Valve Seals-150-VS806V - For Stock GM & Non-Ribbed Aftermarket Valve Guides

SKU: 150-VS806V

150-VS806V

$1.75
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PAC 1207X .700" Dual Spring Kit w/ Valve Springs and Titanium Retainers

SKU: 199-700PACSpringKit

199-700PACSpringKit

$418.99
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PAC 1209X .750" Dual Spring Kit w/ Dual Valve Springs and Titanium Retainers

SKU: 199-750PACSpringKit

199-750PACSpringKit

$447.99
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TSP Gen 5 LT1/L83/L86 .660" Dual Spring Kit w/ PAC Springs, Titanium Retainers, & PRC Integrated Seat/Seal

SKU: 199-ISSLT1660SpringKit

199-ISSLT1660

$314.99
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TSP .660" POLISHED Dual Spring Kit w/ PAC Valve Springs, Titanium Retainers, & PRC Integrated Seat/Seal

SKU: 199-ISSPACPOL660SpringKit

199-ISSPACPOL660

$314.99
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LS Valve Locks, Complete 32 pc Set

SKU: 199-LOCK-32

199-LOCK-32

$20.99
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Precision Race Components Integrated Valve Spring Seat and Seal for Dual Valve Springs

SKU: 199-TSPSeatSeal

199-TSPSeatSeal

$1.99
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GM High Performance LS .550" Lift Springs (Replaced LS6)

SKU: 28-12713265-16

28-12713265-16

$85.62

Looking for an Affordable, In Stock, Plug and Play wiring harness for your LS Swap? PSI sells Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT based engines and transmissions. These harnesses include the Gen II LT1/LT4, Gen III (24x) LS1/LS6 and Vortec Truck Engines as well as Gen IV (58x) LS2, LS3, LS7, & Vortec and GEN V LT / ECOTEC3 Engines. All PSI Harnesses are Made in the USA. In addition to wiring harnesses, PSI carries Holley Products, Vintage Air A/C, Dakota Digital Gauges, HPTuners and PCM programming, Fuel Pump Kits, Engine Sensors, Extension Harnesses, Replacement GM connector pigtails and a complete line of hardware to complete your conversion needs!

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Valve Springs & Spring Kits

TSP LS INTAKE Seat/Seal for Single Valve Springs, OEM Replacement, Set of 8

TSP LS EXHAUST Seat/Seal for Single Valve Springs, OEM Replacement, Set of 8

Precision Race Components Viton Valve Seals-150-VS804V - For Larger or Ribbed Aftermarket Valve Guides

Precision Race Components Viton Valve Seals-150-VS806V - For Stock GM & Non-Ribbed Aftermarket Valve Guides

PAC 1207X .700" Dual Spring Kit w/ Valve Springs and Titanium Retainers

PAC 1209X .750" Dual Spring Kit w/ Dual Valve Springs and Titanium Retainers

TSP Gen 5 LT1/L83/L86 .660" Dual Spring Kit w/ PAC Springs, Titanium Retainers, & PRC Integrated Seat/Seal

TSP .660" POLISHED Dual Spring Kit w/ PAC Valve Springs, Titanium Retainers, & PRC Integrated Seat/Seal

LS Valve Locks, Complete 32 pc Set

Precision Race Components Integrated Valve Spring Seat and Seal for Dual Valve Springs

GM High Performance LS .550" Lift Springs (Replaced LS6)

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