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416" Specs:Block: New GM LS3 Aluminum, 4.065" Bore Crankshaft: Smeding 4340 Forged Steel, Internal Balance, 4.000" Stroke, 58x Rods: Smeding 4340 Forged Steel H-Beam w/ ARP2000 Bolts, 6.125" Length Pistons: Forged Pistons, 11.2:1 Compression w/ 68cc Heads Rings: Stainless Steel Top, Low Friction Oil, 1.2/1.5/3.0 Warranty: 3 Year, Unlimited Miles 427" Specs:Block: New GM LS7 Aluminum, Billet Steel Main Caps, 4.125" BoreCrankshaft: Smeding 4340 Forged Steel, Internal Balance, 4.000" Stroke, 58x...
This is the option for street-rodders & racers who already have a good LS block core, but want to upgrade it with new forged internals designed & built for their application! Simply send us your bare block, and receive it back with a fully forged rotating assembly, ready to go! Package Includes: Jet Wash & Clean Your Block CNC Parallel Surface Block Decks CNC Dual Torque Plate Hone Job New Performance Cam, Main & Rod Bearings Smeding 4340 Forged 4" Stroke Crankshaft w/ 58x S...
This LS Power Adder Short Block comes standard with a DART SHP Iron engine block. This block utilizes a 6 bolt cylinder head pattern for extra clamping force to help secure the cylinder heads and head gaskets. It also has billet steel main caps with splayed outer bolts. This greatly increases the strength of the engine block and tightly secures the crankshaft. Please call for additional options or upgrades.Compression Ratio calculated with Smeding 70cc cylinder heads Specs:Block: DART SHP Ir...
This is our most powerful Naturally Aspirated LS! This engine makes great torque and horsepower under 7,000rpm with a very stable hydraulic roller valvetrain. Block: New GM LS7, Billet Steel Main Caps, 4.125" BoreCrankshaft: Smeding 4340 Forged Steel, Internal Balance, 4.125” StrokeRods: Smeding 4340 Forged Steel H-Beam with 7/16" Bolts, 6.125" LengthPistons: Forged Pistons, 11.0:1 Compression, Coated SkirtsRings: Plasma-Moly Top, Low Friction Oil, 1.2/1.5/3.0mmCamshaft: Smeding Custom Hydra...
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