LSX 376 B15 Crate Engine by Chevrolet Performance 6.2L 19434412

Description New part number:19434412 FORGED INTERNALS SUPPORT MORE BOOST! For builders who want to stretch the performance of a turbocharged or supercharged combination, Chevrolet Performance’s LSX376-B15 is the foundation they need! Its durable, all-forged rotating assembly supports up to 15 pounds of boost. Our ratings of 473 hp and 444 lb.-ft. are only an indication fo what the engine is capable of.

Additionally, the engine is topped off with high-flow, LSX-LS3 6-bolt rectangular-port heads to create an affordable foundation for supercharged and turbocharged combinations. We deliver the LSX376-B15 without an intake manifold and other accessories, allowing you to tailor the induction system and other features to suit the forced-induction setup of your choice. Our horsepower and torque ratings are based on testing with the production-style, normally aspirated fuel injection system. The power you make with a supercharger or turbo will vary. TECH SPECS Part Number: 19332320 / 19355575 / 19417356 /19434412 (Newest)

Engine Type: LSX-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 92 mm) Block (P/N 19260095): LSX cast-iron with 6-bolt, crossbolted main caps Crankshaft (P/N 12603616): Forged steel Connecting Rods (P/N 12604857): Forged powdered metal Pistons (P/N 19259381): Forged aluminum Camshaft Type (P/N 12638426): Hydraulic roller Valve Lift (in): 0.560 intake / 0.555 exhaust Camshaft Duration (@0.050 in): 210° intake / 230° exhaust Cylinder Heads (P/N 19201805): LSX-LS3 rectangular port; with “as cast” 68cc chambers and 6-bolt attachment Valve Size (in): 2.160 intake / 1.550 exhaust.

Compression ratio: 9.0:1 Rocker Arms (P/N 12669995 int): Investment-cast, roll trunnion Rocker Arms (P/N 12669993 exh): Investment-cast, roll trunnion Rocker Arm Ratio: 1.7:1 Recommended Fuel: Regular pump Maximum Recommended rpm: 6,600 Reluctor Wheel: 58x Balanced: Internal INSTALLATION NOTES • Assembly does not include any electronics • Intended for pre-1976 street vehicles or any off-road vehicle • Not intended for marine applications • Requires LSX Ignition Controller P/N 19171130 for carbureted applications • LSX 8-bolt crank flange • Assembly shipped without intake manifold or oil pan (dust shield installed for shipment)

• Recommended max boost – 15 psi.