416" LS Short Block Specs:
Block: New GM LS3 Aluminum, 4.065" Bore, Gen IV
Crankshaft: Smeding 4340 Forged Steel, Internal Balance, 4.000" Stroke, 58x
Rods: Smeding 300m Forged Steel I-Beam w/ 8740 Bolts, 6.125" Length
700hp Pistons: 4032 Forged Pistons, 3.3cc Flat Top, Coated Skirts
1,000hp Pistons: 2618 Forged Pistons, Optional Volume, Coated Skirts & Tops
Rings: Plasma-Moly Top, Low Friction Oil, 1.5/1.5/3.0
Warranty: 3 Year, Unlimited Miles

Cam Specs:
530hp: .620/.605 Lift, 225/238 Duration @ .050”, 113 LSA
600hp: .610/.597 Lift, 237/250 Duration @ .050”, 113 LSA

Camshaft Kit includes: Smeding Forged Camshaft, Link-Bar Hydraulic Roller Lifters, 4x Timing Set, Thrust Plate - Installed

Sealed-Up Kit includes: Melling Oil Pump, Teflon Rear Main Seal Cover, Gen IV Front Timing Cover, LS Valley Cover & Smeding Stroker Oil Pan - Installed

Final assembly & tuning of this partial engine must be completed by an experienced engine assembler/builder. Smeding Performance is not responsible for damaged caused by user installed parts.

All of our engine packages are extremely flexible and can be customized! If there is an option you would like and do not see, please call us at 210-446-0960.