GM LS3 CNC Cylinder Head Top End Kit | 277cc | 4 Bolt 871253 - GM LS1 Timing Cover

- GM LS1 Timing Cover

Our team specialize in not only LS Engines but also LS powered vehicles

When changing your lifters you will need to remove the cylinder heads

Over that time

You will see significant gains in horsepower

GM LS3 CNC Cylinder Head Top End Kit | 277cc | 4 Bolt 871253 - GM LS1 Timing CoverAs used in our entire range of performance & race engines, LSX Performance Parts now supplies our LSX Top End Kits! We have now paired he most tried and tested production cylinder head on the market with the race winning experience of our industry leading CNC Cylinder Head machining team. Combining that with the highest quality stroker camshafts & OEM Rocker arm kits we provide the best value for money performance top end kit on the market! What Is