About This Product
GM LS Cam Swap Kit 1999–2006
This is a complete OEM-based GM LS cam swap and engine refresh kit built for 1999–2006 4.8L, 5.3L, and 6.0L trucks.
Every component in this kit is OEM GM or OEM-equivalent quality — including gaskets, seals, sensors, oil system components, timing parts, and hardware — with the only performance upgrade being the Texas Speed NSR camshaft.
Instead of reusing old worn parts, this kit allows you to properly refresh and rebuild critical engine components during the cam install for long-term reliability, proper sealing, and consistent performance.
OEM-Based Complete Engine Refresh Kit
This is not a basic cam kit. This package is designed as a true OEM-style engine refresh while upgrading performance with a Texas Speed NSR camshaft.
- OEM GM or OEM-equivalent parts throughout the entire kit
- Replaces critical wear items during the cam install
- New gaskets and seals to help prevent future leaks
- Updated lifters, trays, and hardware for long-term reliability
- Oil system components replaced to maintain proper pressure and lubrication
- Only upgraded performance component is the Texas Speed NSR camshaft
This is the difference between a cheap cam install and doing the job correctly the first time.
Kit Overview
This LS cam kit is designed for reliability, drivability, and performance without requiring upgraded valve springs. It is ideal for daily-driven trucks, towing setups, and mild performance builds looking for improved throttle response and power gains while refreshing the major service parts already exposed during the job.
Engine Compatibility
- 1999–2006 GM LS truck engines
- 4.8L, 5.3L, and 6.0L LS-based engines
- Chevy Silverado, GMC Sierra, Tahoe, Yukon, Suburban, Avalanche, and Escalade
Parts Included — With Part Numbers
- Texas Speed NSR Camshaft (1999–2017 LS Truck) / TSP Chopacabra Cam — Performance Upgrade
- GM LS Front Crank Seal — 12585673
- GM LS Thermostat Seal — 12561155
- GM LS Cylinder Head Bolt M8x1.25x45 — 12558840
- ARP LS Camshaft Bolt Kit 3-Bolt — ARP 134-1003
- ARP LS Cam Retainer Plate Bolt Kit — ARP 134-1002
- LS Hydraulic Roller Lifters LS7 Style Set of 16 — 25341990
- GM LS Oil Pump Pickup Tube O-Ring — 12584922
- GM LS Oil Filter PF46 Style — 12737094
- GM LS Oil Pan Cover Gasket — 12611384
- GM LS Oil Pump OEM Replacement — 12710303
- GM LS Non-DOD Lifter Trays Set of 4 — 12595365
- GM LS Cylinder Head Gasket Set of 2 — 12575329
- GM LS Knock Sensor Harness — 12601822
- GM LS Knock Sensors Set of 2 — 12589867
- GM LS Water Pump Gaskets Set of 2 — 12630223
- GM LS Cylinder Head Bolts Short Pack of 4 — 12560745
- GM LS Cylinder Head Bolts Long TTY Set of 16 — 11588291
- GM LS Timing Cover Gasket — 12735382
- GM Exhaust Manifold Gaskets Set of 2 — 12617944
- GM LS Valley Cover Gasket — 12558178
- GM LS Intake Manifold Gasket Kit with Side Seals — 89060413
- GM LS Camshaft Retainer Plate — 12589016
- GM LS Timing Chain — 12646387
- GM LS Valve Cover Gaskets Set of 2 — 12637683
- GM LS Oil Pan Gasket — 12612350
- GM LS Crankshaft Balancer Bolt — 12557840
What This Kit Is For
- Stock to mild cam upgrades without valve spring changes
- Daily driver trucks needing improved power and drivability
- Customers wanting a complete one-purchase solution
- Reliable cam swap builds without piecing parts together
- Customers who want to refresh OEM-style service parts while the engine is apart
Pricing
Parts Subtotal: $2,555.95
This reflects the combined cost of all individual components included in this base package.
Important Notes
- Professional installation recommended
- Custom tuning required after cam install
- HP Tuners or equivalent required for proper calibration
- Part numbers may vary slightly based on availability, VIN, and exact application
- Customer VIN will be required after purchase to verify correct parts before shipment
- This is a base kit — upgraded cam, lifters, springs, oil pumps, and performance options are available separately
- Core kit is OEM GM / OEM-equivalent focused, with the Texas Speed NSR camshaft as the performance upgrade
Want Different Options?
This is the base NSR cam swap package. If you want to change the cam, timing set, lifters, oil pump, springs, pushrods, headers, or tuning options, use the cam kit builder to build the exact setup for your truck.
