Block: Smeding Heavy Duty 4 Bolt Mains, 9.025" Deck Height, 1 Piece Seal, 4.125" Bore
Crankshaft: Smeding 4340 Forged Steel, Internal/External Balance, 3.800" Stroke
Rods: Smeding 5140 Forged Steel I-Beam with 3/8" Bolts, 5.700" Length
Pistons: JE Custom 2618 Forged Aluminum, 18cc Dish, Coated Skirts
Rings: Stainless Steel Top, Napier 2nd, Low Friction Oil, 1.2/1.2/3.0
Compression Ratio: 10.0:1 w/ 64cc Heads, 9.3:1 w/ 72cc Heads
Warranty: 3 Year, Unlimited Miles

Camshaft Kit Includes: Smeding 5150 Steel Camshaft, Hydraulic Roller Lifters, Roller Timing Set, Thrust Plate, Lifter Dog Bones & Spring Tray - Installed

Cam Specs:
450hp: .510”/.500” Lift, 220°/224° Duration @ .050”, 112 LSA
520hp: .510”/.521” Lift, 231°/236° Duration @ .050”, 111 LSA
540hp: .544”/.543” Lift, 236°/244° Duration @ .050”, 110 LSA
550hp: .549”/.546” Lift, 242°/250° Duration @ .050”, 110 LSA

Sealed-Up Kit Includes: Melling Oil Pump, Welded Pump Pick-Up, Hardened Driveshaft, Black Timing Cover & Black Oil Pan - Installed

Torque Converter: 1,800-2,000rpm Stall w/ 450hp Cam, 2,000-2,400 Stall w/ 520hp Cam, 2,400-2,600 Stall w/ 540hp Cam & 2,600-3,000 Stall w/ 550hp Cam 

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.