Engine

LS1 Engine Performance parts for all 98 to 02 Chevy Camaro and Pontiac Trans Ams with the LS1 engines. Products include LS1 cylinder heads, pistons, camshafts, lifters, roller rockers, bearings, and everything else to make your LS1 fast.

Products
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Spohn Polyurethane Motor Mounts (LS1, LS2, LS6 & LS7)

Spohn Polyurethane Motor Mounts (LS1, LS2, LS6 & LS7)

Polyurethane motor mount bushings for LS1, or any other Gen III engine (LS2, LS6, LS7, etc.)

May also be used for universal LSx swap applications (requires 98-02 F-Body style clamshells).

NOTE: Qty. 1 = 1 Pair


Our price: $54.95
Quantity
Spohn LSX Motor Mounts Hardware Kit

Spohn LSX Motor Mounts Hardware Kit

Application: 1998-2002 GM F-Body, others

Don't use your old rusty mounting through bolts when installing LSx motor mount bushings (if you managed to get the nuts off without breaking the bolts!).

Our LSx motor mounts mounting hardware kit includes:

(2) Grade 10.9 through bolts (silver zinc plated)
(2) Flanged head steel lock nuts (silver zinc plated)
(2) Flat washers (silver zinc plated)


May also be used for universal LSx swap applications using 1998-2002 GM F-Body style motor mount bushings.


Our price: $8.95
Quantity
Spohn 1998-2002 LS1 F-body "LSX" Lightweight Motor Mount Bushing Stands

Spohn 1998-2002 LS1 F-body "LSX" Lightweight Motor Mount Bushing Stands

These lightweight "LSX" motor mount stands bolt on in place of the factory's heavy solid cast iron stands on 1998-2002 GM F-Body cars. They look trick, and drop close to 5 pounds! They will work with the stock k-member, or on the Spohn Performance tubular k-member (click here), and any aftermarket k-member designed for stock type motor mount stands.


Our price: $95.00
Quantity
SLP PerformancePac, 1999 F-Car "Loud Mouth" Exhaust w/Dual/Dual Tips 375HP

SLP PerformancePac, 1999 F-Car "Loud Mouth" Exhaust w/Dual/Dual Tips 375HP
Get 375 horsepower…with bolt-on parts!

Take the guesswork out of upgrading your LS1 F-Body, with the PerformancePac™ from SLP Performance Parts. Each 375 HP package comprises a group of jointly engineered induction and exhaust components, all of which work together to significantly improve performance without adversely affecting drivability. Best of all, you’ll save $75 over the cost of purchasing the parts individually!


Our price: $2,508.30
Quantity
SLP Performance Valve Springs, LS1/LS6/LS2 High-Performance .600 Lift (set of 16)

SLP Valve Springs, LS1/LS6/LS2 High-Performance .600 Lift (set of 16)

SLP's premium-grade Beehive valve springs are intended for use with cams producing up to .600" of valve lift. State-of-the-art winding and heat-treating processes make them an excellent choice for most high-output street and racing applications.


Our price: $249.95
Quantity
SLP Performance Thermostat, 160º LS1 1997-03 Corvette/1998-02 Camaro/Firebird/1997-03 4.8/5.3/6.0 Silverado/Sierra/SUV

SLP Thermostat, 160º LS1 1997-03 Corvette/1998-02 Camaro/Firebird/1997-03 4.8/5.3/6.0 Silverado/Sierra/SUV

Racers know that a cooler running engine is a better performing engine. Reducing the temperature at which an engine runs will make more power through better thermal and volumetric efficiency.


Our price: $59.95
Quantity
SLP Performance Thermostat, 160º 2010 LS3/L99 Camaro/2009 LS3/LS7 Corvette/2009 1/2 L76 Pontiac G8/2009 G8 GXP/2007-09 4.8/5.3/6.0/6.2 Silverado/Sierra/SUV 900 Series/2007-09 Trailblazer SS

SLP Thermostat, 160º 2010 LS3/L99 Camaro/2009 LS3/LS7 Corvette/2009 1/2 L76 Pontiac G8/2009 G8 GXP/2007-09 4.8/5.3/6.0/6.2 Silverado/Sierra/SUV 900 Series/2007-09 Trailblazer SS P Trailblazer SS. These low-temp thermostats dramatically reduce operating temperatures, while increasing thermal efficiency and your engine's performance in the process. Racers know that a cooler running engine is a better performing engine. This new thermostat replaces the factory unit, allowing coolant to circulate at lower engine temperatures, keeping the engine cooler.


Our price: $29.95
Quantity
SLP Performance Thermostat, 160º 2008-09 1/2 L76 Pontiac G8/2004-08 LS1/LS6/LS2/LS3/LS7 Corvette/2004-06 LS1/LS2 GTO/2004-06 4.8/5.3/6.0 Silverado/Sierra/SUV/2007 Classic/2006 Trailblazer SS

SLP Thermostat, 160º 2008-09 1/2 L76 Pontiac G8/2004-08 LS1/LS6/LS2/LS3/LS7 Corvette/2004-06 LS1/LS2 GTO/2004-06 4.8/5.3/6.0 Silverado/Sierra/SUV/2007 Classic/2006 Trailblazer SS

SLP offers this 160º thermostat for all LS1/LS2/LS3/LS6/LS7 2004-08 Corvettes/2005-06 GTO/2004-06 (2007 Classic) Full Size Trucks/SUV's equipped with 4.8/5.3/6.0L engines along with 2006 Trailblazer SS and 2008-09 ½ Pontiac G8.


Our price: $24.95
Quantity
SLP Performance Spacers, Windage Tray, ZL402 Engine (set of 10)

SLP Spacers, Windage Tray, ZL402 Engine (set of 10)

Like all LS1 stroker engines, SLP's ZL402 uses a larger-than-stock crank that will not clear the factory windage tray. These spacers move the tray up and away from the crank to maintain proper clearance. Kit includes ten (10) spacers.


Our price: $20.55
Quantity
SLP Performance Rotating Assembly, 427 LS Series Engine

SLP Rotating Assembly, 427 LS Series Engine

SLP now offers a New 427 LS Series Rotating Assembly made from the highest quality materials built in the USA. If you are looking to build a built proof 427 now is the time and this rotating assembly from SLP will give you a solid foundation.


Our price: $2,260.06
Quantity
SLP Performance Rotating Assembly, 427 LS Series Engine

SLP Rotating Assembly, 427 LS Series Engine SLP now offers a New 427 LS Series Rotating Assembly made from the highest quality materials built in the USA. If you are looking to build a bullet proof 427 now is the time and this rotating assembly from SLP will give you a solid foundation.

WORKS ONLY ON LS7 AND LSX BLOCKS


Our price: $2,360.06
Quantity
SLP Performance Retainer, Titanium Valve-Spring LS1/LS6/LS2 use w/#53003 (set of 16)

SLP Retainer, Titanium Valve-Spring LS1/LS6/LS2 use w/#53003 (set of 16)
The perfect match for our LS1/LS6/LS2 performance valve springs, these new custom-designed titanium valve-spring retainers are built to withstand both increased spring pressures and higher-than-stock RPM. At only 9.5 grams each, they're a full 2.5 grams lighter than the OEM retainers. Compatible with stock valves.


Our price: $239.95
Quantity
SLP Performance Pushrods, LS1/LS6/LS2 Chrome Moly 7.375" (set of 16)

SLP Pushrods, LS1/LS6/LS2 Chrome Moly 7.375" (set of 16)

SLP now offers Manley 5/16" chrome moly pushrods for LS1/LS2 applications. These are the same pieces we use in our 500-hp head-and-cam package, and they are strongly recommended for use in high-revving LS1/LS2 engines that require a 7.375" pushrod.


Our price: $129.95
Quantity
SLP Performance Oil Pump/Timing Chain Package, 1997-04 LS1/LS6 Heavy-Duty

SLP Oil Pump/Timing Chain Package, 1997-04 LS1/LS6 Heavy-Duty

As part of our commitment to ongoing product improvement, we recently made a number of changes to our popular high-performance LS1 oil pump. Unlike earlier iterations (and most competitors' units), these new pumps are ported on both the inlet and outlet sides. This helps keep oil temperatures down, increasing engine-component longevity and reducing power-robbing oil shear.


Our price: $349.95
Quantity
SLP Performance Oil Pump, 1998-07 LS1/LS6/LS2 Heavy-Duty

SLP Oil Pump, 1998-07 LS1/LS6/LS2 Heavy-Duty

As part of our commitment to ongoing product improvement, we recently made a number of changes to our popular high-performance LS1/LS2 oil pump. Unlike earlier iterations (and most competitors' units), these new pumps are ported on both the inlet and outlet sides. This helps keep oil temperatures down, increasing engine-component longevity and reducing power-robbing oil shear.


Our price: $185.35
Quantity