3V Performance 580hp / 500lb tq / LS3 6.2L (376 cubic inches)

3V Performance 580hp / 500lb tq / LS3 6.2L (376 cubic inches) Engine Type: LS-Series Gen IV Small-Block V-8 Displacement (cu in): 376 cu in (6.2L) Bore x Stroke (in): 4.065 x 3.622 (103.25 x 92mm) Block (P/N 12623967): Cast-aluminum with 6-bolt, cross-bolted main caps Crankshaft (P/N 12597569): Nodular iron Connecting Rods (P/N 12649190): Powdered metal Pistons (P/N 19207287): Hypereutectic aluminum Camshaft Type (P/N 3VP-3VNA2 ): Hydraulic roller Valve Lift (in): .626 intake / .620 exhaust Camshaft Duration (@.050 in): 228° intake / 240° exhaust Lifters: 2110R Johnson 3V/Trend Pushrods Cylinder Heads (P/N 12629063): Aluminum L92-style port; as cast with 68cc chambers Valve Size (in): 2.165 intake/ 1.590 exhaust Valve Spring: 3VPM-1436 Dual Spring Kit Compression Ratio: 10.7:1 Rocker Arms (P/N 12669995 int): Investment-cast, CHE trunnion Rocker Arms (P/N 12669993 exh): Investment-cast, CHE trunnion Recommended Fuel: Premium pump Maximum Recommended rpm: 6,600 Reluctor Wheel: 58x Balanced: Internal