GM12624262 CHEV HOLDEN HSV LS9 LONG BLOCK CRATE ENGINE
Engine Master
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GM12624262 CHEV HOLDEN HSV LS9 LONG BLOCK CRATE ENGINE
Item Description
GM12624262 CHEV HOLDEN HSV LS9 LONG BLOCK CRATE ENGINE
Chev LS9 Long Block Crate Engine
Horsepower rating 638hp
Torque rating 604 ft.lbs.
Installation Notes:
Assembly does not include any electronics
Includes dry-sump oil pan and requires external cil tank (not included). Oil pan change required for wet-sump oiling.
Includes 9-bolt crankshaft flange that may require adapter for use with some transmissions.
Induction system and front end accessory drive system not included.
Not intended for marine applications.
Specs:
Engine Type: LS Series Gen IV Small Block V8
Displacement (cu.in): 376 6.21L
Bore/Stroke(in.) : 4.065 x 3.622 (103.25 x 92mm)
Block: Cast aluminium with six bolt, cross bolted main caps
Crankshaft P/N 12641693: Forged steel with nine bolt flange
Connecting Rods P/N 12624231: Forged Titanium
Pistons P/N 19180414: Forged Aluminium
Camshaft Type P/N 12638427: Hydraulic Roller
Valve Lift (in.): .562" Intake / .558" Exhaust
Camshaft Duration (@50in.): 211 deg intake / 230 deg exhaust
Cylinder Heads P/N 12621774: Aluminium 192-style ports “as cast” with 68cc chambers
Valve Size (in.): 2.160" titanium intake / 1.590" hollow sodium filled exhaust
Compression Ratio: 9.1:1
Rocker Arms P/N 12696105 Intake: Investment cast, roller trunnion
Rocker Arms P/N 12681275 Exhaust: Investment cast, roller trunnion
Rocker Arm Ratio: 1.7:1
Recommended Fuel: Premium Pump
Maximum Recommended RPM: 6600
Reluctor Wheel: 58X
Balanced: Internal
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Manufacturer Information
- Manufacturer: Engine Master
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