LS3 427 590 HP Pace Performance Crate Engine with Controller PSLS4271CT-FX

Specifications:
Power: 590 HP @ 6100 RPM, 554 ft. lbs. of torque @ 4900 RPM
Displacement: 427 CID, 7.0L
Bore x Stroke: 4.065” x 4.125”
Compression Ratio: 11:1
Recommended Fuel: 92 Octane
Block: Cast Aluminum with 6 bolt cross bolted main caps
Crankshaft: Forged Steel, 6-bolt Flange
Connecting Rods: Forged I beam
Pistons: Forged Aluminum
Camshaft: Steel Hydraulic Roller Tappet
Cam Lift: .624” Intake / .624” exhaust
Cam Duration @ .050”: 239 deg. Intake / 255 deg. Exhaust
Lobe Separation: 114 Degree
Cylinder Heads: Aluminum L92 style ports,Chrome moly retainers & spring locators, Dual coil .650&rdquo lift valve springs
Combustion Chamber: 72cc
Valves: 2.165” Intake/ 1.590” Exhaust
Rocker Arms: GM factory roller rockers with upgraded HD full roller trunion, 1.7:1 Ratio
Balance: Internal
Reluctor: 58X
Maximum GM Recommended RPM: 6600

Engine Includes:
• Fully assembled long block
• Ignition Coils, Plug Wires and Spark Plugs
• Pace installed Holley 302-1 oil pan (click here for details), other oil pans available
• Complete Holley Dominator Engine Controller Package
• All required GM OE sensors and DBW Accelerator Pedal Assembly
• EFI Intake with fuel rails, injectors and throttle body
• Air Cleaner Assembly with IAT Sensor
• Harmonic Balancer
• Front timing cover
• Aluminum Water Pump
• Passenger Side RH Oil Dipstick and Tube
• Pace new engine prep and oil passages primed
• Includes Oil Filter and Pace Performance recommended break in oil: Shipped in Pan