Chevrolet Performance LSX 376 Long Block Engine Deal
Chevrolet Performance LSX376-B15 Long Block Engine
Ready for a boost? The LSX376-B15 (P/N 19434412) is built for enthusiasts pushing serious performance with up to 15 psi of boost. Featuring a forged rotating assembly and LSX-LS3 6-bolt heads, it’s the ideal foundation for supercharged or turbocharged builds.
TECH SPECS
- Part Number: 19332320
- 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
Now available at Humberview Commercial Trucks for $16,299 + tax, part of our GM Offers.
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