17801267 - GM Performance Parts LS1 Crate Engine 350 HP, 365 Ft Lbs Torque

Engine - LS1 5.7L V8 Engine Kit

GM Performance Parts offers this complete LS1 engine assembly, but without electronics or wire harness. It provides a quick and easy way to get great power on the ground with a minimum of hassle. The engine is rated at 350 horsepower and 365 lb. -ft. of torque. The engine includes a Holden Front Sump oil pan, electronic drive-by wire throttle body, intake manifold, exhaust manifolds, fuel rail with injectors, balancer, and 14" automatic transmission flexplate. It makes a great performance engine for your performance vehicle project; just add your wiring and electronics.

Please note: this engine comes with a front sump Holden/GTO style oil pan installed. Will not fit most applications. For rear sump 1998-2002 Camaro/Firebird oil pan, order 1 # 12598151 oil pan (pan includes lower internal baffle, low oil level sensor, drain plug and seal, oil cooler block off plate and gasket, 1 # 12558253 windage tray, 1 # 12558251 pick-up screen, 1 # 12558760 oil pan gasket, 1 #12551577 dipstick tube, 1 # 12551581 dipstick.

Pace Exclusive wiring harness & computer install kit click here

Displacement: 346 CI (5.7L)

Bore X Stroke : 3.90" X 3.62" (99mm X 92mm)

Block : # 12561166 Cast aluminum with 6-bolt, cross bolted iron main caps

Crankshaft : #12568734 Nodular iron

Connecting Rods: #12568734 Powdered metal steel

Pistons: #88984245 Hypereutectic aluminum

Camshaft: Hydraulic roller # 12560965 .500" intake lift, .500" exhaust lift , intake duration @ .050" 198, exhaust duration@ .050" 209

Cylinder Heads: #12559855 Aluminum cathederal port

Valve size: 2.00" intake, 1.55" exhaust

Compression ratio: 10.25:1

Rocker Arms: 1.7:1 roller trunnion

Recommended Fuel: 92 octane

Maximum Reccomended RPM: 6000

Reluctor Wheel: 24X

Internal Balance