ED-46720 - Edelbrock LS3 416CID Long Block Crate Engine
This product may require vehicle validation(s) for proper fitment. Please contact us to confirm correct vehicle fitment and usage.
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.
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
Maximum Recommended RPM: 6600
• 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
Edelbrock limited 2 year / Unlimited mile parts & labor warranty. Click on Document tab above for full details.
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From Edelbrock intake manifolds to carburetors to EFI systems, Edelbrock parts run the gamut of high performance components. But with Edelbrock, you don't have to worry about their specializing in many areas, because they take performance just as seriously as you do. That means all their products are not just tuned and tested for performance, but for Edelbrock performance. With a racing heritage of almost 90 years, you can be sure Edelbrock won't be cutting corners when it comes to innovation and build quality. After all, they' have a reputation to protect.
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- 500.0 lbs.
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