QUALITY PARTS.
HIGH-CALIBER BUILD.
Offer Valid 1/1/24 to 12/31/24
$250
Build boost on a budget
Chevrolet Performance takes the LSX Bowtie standard-deck block, adds blower-friendly 9.0:1 forged pistons and combines them with the LS3’s high-flow, rectangular-port heads.
PART NO. 19332312
476 HP @5900 RPM
475 LB-FT @4700 RPM
Forced-induction friendly
The LSX376-B8 is designed for lower-boost applications, up to about 8 pounds. That’s suitable for most supercharger and turbo kits that are designed to be used with production-based applications.
Installation Guides
Find everything from vital data about your engine’s capabilities to how to install it into your build.
LSX376-B8 Tech Specs
- Part Number: 19332312
- Engine Type: LSX-Series Gen-IV Small-Block V-8
- Displacement (cu. in.): 376 (6.2L)
- Bore x Stroke (in.): 4.065 x 3.622 (103.25 x 92 mm)
- Block (P/N 19260095): LSX cast-iron with six-bolt, cross-bolted main caps
- Crankshaft (P/N 12685659): Nodular iron
- Connecting Rods (P/N 12649190): Powdered metal
- Pistons (P/N 19244016): Forged aluminum
- Camshaft Type (P/N 12623063): Hydraulic roller
- Valve Lift (in.): 0.551 intake / 0.522 exhaust
- Camshaft Duration (@0.050 in.): 204° intake / 211° exhaust
- Cylinder Heads (P/N 12629063): LS3 rectangular port; with “as cast” 68-cc chambers
- Valve Size (in.): 2.160 intake / 1.590 exhaust
- Compression ratio: 9:1
- Rocker Arms (P/N 12669995 int): Investment-cast, roll trunnion
- Rocker Arms (P/N 12681275 exh): Investment-cast, roll trunnion
- Rocker Arm Ratio: 1.7:1
- Recommended Fuel: Regular pump
- Maximum Recommended rpm: 6600
- Reluctor Wheel: 58X
- Balanced: Internal
Mobil 1 is now The Official Motor Oil of Chevrolet Performance.
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