Free Shipping on Auto Parts Orders Over $75.                           Order by 11 PM EST for Same Day Shipping!

Chevrolet Performance 19299306 - Chevrolet Performance LSX376-B15 376ci/450HP Engine



Chevrolet Performance 19299306 - Chevrolet Performance LSX376-B15 376ci/450HP Engine
Chevrolet Performance 19299306 - Chevrolet Performance LSX376-B15 376ci/450HP Engine

JEGS Part Number: 809-19299306

LSX376-B15 376ci Engine
  • 450 HP @ 5900 RPM
  • 444 ft/lbs TQ @ 4600 RPM

    Chevrolet Performance 19299306 Details

    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 809-19171130) for carbureted applications
  • LSX eight-bolt crank flange
  • Assembly shipped without intake manifold or oil pan (dust shield installed for shipment)
  • Recommended max boost - 15 PSI

  • Chevrolet Performance LSX376-B15 376ci/450HP Engine

    Forged Internals and Six-Bolt LSX Heads
    That Support More Boost!

    Free Shipping!

    For builders who want to stretch the performance of a turbocharged or supercharged combination, we've got just the foundation you need: Chevrolet Performance's new LSX376-B15, featuring a durable, all-forged rotating assembly to handle up to 15 pounds of boost.

    Chevrolet Performance's engineers started with the tough LS steel Bowtie standard-deck block, added a forged-steel crankshaft, forged rods, and forged pistons, then topped off the short-block assembly with high-flow, rectangular-port LSX-LS3 six-bolt aluminum heads for supercharged and turbocharged combinations.

    The LSX376-B15 is delivered 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. It's perfect as an economical replacement for a late-model performer or a great choice to build a high-boost powerplant for a Pro Touring classic.

    *Horsepower and torque ratings were derived by GM Engineering using a normally aspirated LSX376 with LS3 EFI. Your power numbers may vary, based on induction system and componentry.

    LSX376-B15 TECH SPECS:
  • Engine Type: LSX-Series Gen IV Small-Block V-8
  • Displacement: 376ci (6.2L)
  • Bore x Stroke: 4.065'' x 3.622'' (103.25mm x 92mm)
  • Block: LSX cast-iron with six-bolt, cross-bolted main caps
  • Crankshaft: Forged steel
  • Connecting Rods: Forged powdered metal
  • Pistons: Forged aluminum
  • Camshaft Type: Hydraulic roller
  • Camshaft Lift: .560'' intake / .555'' exhaust
  • Camshaft Duration (@.050 in.): 210° intake / 230° exhaust
  • Cylinder Heads: LSX-LS3 rectangular port; with ''as cast'' 68cc chambers and 6-bolt attachment
  • Valve Size: 2.160'' intake / 1.550'' exhaust
  • Compression Ratio: 9.0:1
  • Rocker Arms: Investment cast, roller trunnion
  • Rocker Arm Ratio: 1.7:1
  • Recommended Fuel: 87 octane
  • Maximum Recommended RPM: 6600
  • Reluctor Wheel: 58x
  • Balanced: Internal
  • JEGS Easy Kits are designed by JEGS high performance racing professionals to help you get all the performance parts you need for your race car, hot rod or truck.

    Chevrolet Performance 19299306

    Manufacturer's Part Number:
    19299306

    JEGS Performance Products 80040K - JEGS Engine Stands
    Only $146.95

    MSD Ignition 6012 - MSD Ignition Controller for GM EFI/Carbureted LS Engines
    Only $321.99

    JEGS Performance Products 28060K - JEGS Engine Break-In/E.O.S. Lubricant
    Only $22.97

    Edelbrock 28457 - Edelbrock Victor Series Intake Manifolds for LS Chevy
    Only $392.69


    See All Items You Need