The ED46720 LS3 long block is a pared down version of Edelbrock’s 702hp supercharged LS3 crate engine. This long block is built using some of the best components available. The foundation is a brand new GM, aluminum, LS3 block which is then paired with a forged and balanced Manley crankshaft, forged Manley H-Beam connecting rods and Manley forged aluminum pistons. The finished product is a 416c.i.d. LS3 stroker with 4.065” Bore and 4” Stoke. This long block is the ideal foundation for any modern performance build. Its compact design allows for a seamless swap into most platforms; eliminating the need for modifications to your engine bay or hood.
Specifications:
Power: N/A
Displacement: 416 CID, 6.8L
Bore x Stroke: 4.000” x 4.065”
Compression Ratio: 9.5:1
Recommended Fuel: 92 Octane
Block: Cast Aluminum with 6 bolt cross bolted main caps.
Crankshaft: Forged 4340
Connecting Rods: Manley Forged H-Beam
Pistons: Manley Forged Aluminum -18cc
Camshaft: Steel Hydraulic Roller Tappet
Cam Lift: .629” Intake / .656” exhaust
Cam Duration @ .050”: 215 deg. Intake / 247 deg. Exhaust
Lobe Separation: 121
Cylinder Heads: Stock GM LS3.
Combustion Chamber: 68cc
Valves: 2.165” Intake/ 1.590” Exhaust
Rocker Arms: Cast Roller Trunnion, 1.7:1 Ratio
Balance: Internal
Reluctor: 58X
Maximum Recommended RPM: 6600
Engine Includes:
• Fully Edelbrock assembled long block
• Oil pump, pick-up and oil pan
• Harmonic Balancer
• Front timing cover
• Black Powder Coated Valve Covers
• Oil Filter
• Passenger Side RH Oil Dipstick and Tube
Warranty:
Edelbrock limited 2 year / Unlimited mile parts & labor warranty. Click on Document tab above for full details.
Related Engines and Components:
GM LS3 Engine Controller Package
Chevrolet Performance LSX454 Long Block Crate Engine
Chevrolet Performance LSX376 Long Block Crate Engine
GM Emissions Legal E-ROD LS3 Crate Engine Package
LS Engine Swap Mounts and Conversion Kits
GM LS Engine Serpentine Drive Packages
LS Engine to SBC and BBC Auto Trans Conversion Kit
Complete LS Engine manual trans conversion packages
LS Engine Swap Oil Pan Packages
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