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LS 427CI 635HP Performance Crate Engine
Built to deliver LS7-level performance and beyond, the LS 427CI 635HP Crate Engine combines big-bore LS power with premium aftermarket components for exceptional strength and reliability.
Featuring an aftermarket 4-bolt splayed main aluminum block, fully forged rotating assembly, custom hydraulic roller camshaft, LS3/L92 performance cylinder heads, roller rocker arms, and a versatile muscle car oil pan, this engine is designed for serious street and custom performance builds.
Specifications:
- LS 427CI 635HP Complete Crate Engine
- Fully Machined Aftermarket LS Aluminum 4 Bolt Main Block (PFU)
- Forged steel 4.000” stroke crankshaft (Eagle, Scat, or LPC)
- 6.125″ Connecting Rods With ARP Bolts (Eagle, Scat, or LPC)
- Performance Forged Pistons (Mahle, Icon, DSS, or JE)
- Complete Assembly Balanced (Internal)
- Performance rings hand filed to match application
- Custom Ground Hydraulic Roller Camshaft
- Hydraulic Roller Lifters
- Performance Timing chain set
- Melling Oil pump
- LS3/L92 Rectangle Port Aluminum Performance Cylinder Heads
- 2.165 Pro Series Intake Valves
- 1.590 Pro Series Exhaust Valves
- 1.295” Dual Performance Valve Springs
- 7 Degree Valve Retainers And Locks
- Performance Rocker Arms
- Chrome Moly Pushrods
- Main bolts
- ARP Head bolts
- Aluminum Timing And Rear Cover
- Aluminum Valley Tray
- Muscle Car Stroker Oil Pan
- Aluminum Valve Covers
- Harmonic Balancer
- Water Pump
- Fabricated Aluminum Intake Manifold
- DBC Throttle Body
- Fuel Injectors
- Fuel Rails
- LS3 Style Coils
- Coil Harness
- Spark Plugs
- 8.5mm Ignition Wires
- Holley Terminator X ECU
- Engine Wiring Harness
- Fuel Injector Harness
- Wide Ban O2 Sensor
- Intake Air Temperature Sensor
- Crankshaft Position Sensor
- Camshaft Position Sensor
- Engine Coolant Temperature Sensor
- Manifold Air Pressure Sensor
- Oil And Filter
- Engines are photo documented during the building process
- 2 Year Unlimited Miles Warranty
Complete your swap with our assistance in selecting the ideal motor mounts, headers, serpentine drive system, and transmission combination for your application.
