GMP-19301360-CX - Pace LS3 550HP Carbureted with HEI & As Cast Valve Covers
This product may require vehicle validation(s) for proper fitment. Please contact us to confirm correct vehicle fitment and usage.
This unique engine starts with the Chevrolet Performance LS525HP crate engine and gets the Chevrolet Performance 88958679 front distributor drive timing cover kit installed along with the other needed components to complete this turnkey crate engine. No engine control module (ECU) or wiring harness is needed. Standard Chevy location radiator hose inlet and outlet. Front timing cover designed with heater hose ports. Our dyno test results: 550HP @ 6700 RPM, 496 ft.-lbs. of torque @ 5000 RPM.
Power: 550 HP @ 6700 RPM, 496 ft. lbs. of torque @ 5000 RPM
Displacement: 376 CID, 6.2L
Bore x Stroke: 4.060” x 3.620”
Compression Ratio: 10.7:1
Recommended Fuel: 92 Octane
Block: Cast Aluminum with 6 bolt cross bolted main caps
Crankshaft: Nodular Iron
Connecting Rods: Powdered Metal Steel
Pistons: Hypereutectic Aluminum
Camshaft: Steel Hydraulic Roller Tappet
Cam Lift: .525” Intake / .525” exhaust
Cam Duration @ .050”: 226 deg. Intake / 236 deg. Exhaust
Lobe Separation: 110 Degree
Cylinder Heads: Aluminum L92 style ports
Combustion Chamber: 68cc
Valves: 2.165” Intake/ 1.590” Exhaust
Rocker Arms: Cast Roller Trunnion, 1.7:1 Ratio
Maximum GM Recommended RPM: 6600
• Fully GM assembled long block
• Pace installed Holley 302-1 oil pan (click here for details), other oil pans available
• OE Cast Iron Exhaust Manifolds
• Chevrolet Performance LSX Single Plane Intake Manifold
• Hand built AED 750CFM Holley mechanical secondary carb with electric choke
• 14” Chrome Air Cleaner
• 14” Auto Trans Flexplate
• 6.325” ATI Harmonic Balancer
• Installed Chevrolet Performance 88958679 front distributor drive timing cover kit
• Thermostat and Housing
• HEI Distributor, Plug Wires, Looms and Spark Plugs
• Stewart Performance Aluminum Water Pump
• Proform GM Licensed As Cast Aluminum Valve Covers with Chevrolet script
• Passenger Side RH Oil Dipstick and Tube
• HD Starter & Bolts
• Pace new engine prep and oil passages primed
• Includes Oil Filter and Pace Performance recommended break in oil: Shipped in Pan
The Chevrolet Performance 88958679 front distributor drive timing cover accepts a Ford style mechanical fuel pump, mechanical fuel pump is not included but we can install and plumb upon request
General Motors limited 2 year / 50,000 mile parts & labor warranty. Click on Document tab above for full details.
Related Engines and Components:
Pace Professional Engine Dyno Break-In & Testing
GM LS 525HP Engine
Alternator only Drive System
Alt & Power Steering only Drive System
Alt, Power Steering & A/C Drive System
- PACE Performance
- Item Requires Shipping
- 500.0 lbs.
- Free Shipping!
- FREE 48 State Truck Freight Shipping (International shipping will require freight quote)
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