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By The Numbers
| LSX 454 | | Part Number: | 19170112 | | Engine Type: | LSX Series Gen IV | | | small-block V-8 | | Displacement: | 454 cubic inches (7.4 liters) | | Bore: | 4.185 inches (106.3 mm) | | Stroke: | 4.125 inches (104.8 mm) | | Block: | LSX cast-iron | | | with 6-bolt cross-bolted | | | main caps (PN 19243172) | | Crankshaft: | 4340 forged steel | | | (PN 19170391) | | Connecting Rods: | 4340 forged steel | | | (PN 19166964) | | Pistons: | forged aluminum | | | (PN 19166958) | | Camshaft type: | hydraulic roller | | | (PN 19166972) | | Valve Lift: | .635-inch intake/.635-inch exhaust | | Camshaft duration: | 236 intake/246 | | | exhaust at .050-inch lift | | Cylinder heads: | aluminum LSX-LS7 port | | | (PN 19201806) | | Chamber size: | 70 cc as-cast | | Intake valve diameter: | 2.20 inches | | Exhaust valve diameter: | 1.61 inches | | Compression ratio: | 11:1 | | Rocker arm ratio: | 1.8:1 | | Intake manifold: | LSX-LS7 standard deck | | | (PN 19166948) | | Recommended fuel: | 92 octane | | Max recommended RPM: | 6,500 | | Reluctor Wheel: | 58X | | Balanced: | internal |
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