Vehicle Applications

• 2009–2015 Cadillac CTS-V
• 2012–2015 Chevrolet Camaro ZL1

Product Highlights

• Gen IV Aluminum Cylinder Block
• Rectangular Port Aluminum Cylinder Heads
• Roots Style Supercharger (1.9L Displacement)
  
• Advanced Electronic Throttle Control
• 58X Ignition Systems

LSA Engine Specs (VIN "P")

The information listed here is for a stock engine.

Performance Specifications
Compression Ratio	9.1 : 1
Horsepower Rating	556-580 hp. @ 6300 rpm
Torque Rating	551-556 ft./lbs.

 

Application Information
VIN 8th Digit	Year	Make	Model
P	2009-15	Cadillac	CTS-V
	2012-15	Chevrolet	Camaro ZL1

 

Engine Block Specifications
Block P/N	12623968
Material	319-T7 aluminum
Casting Number	12621766
Displacement	6.2L / 376 c.i.d.
Bore	4.065 in.
Stroke	3.622 in.
Deck Height	9.240 in.
Bore Spacing	4.400 in.
Thrust Bearing Location	#3 Main
Main Cap Style	6-bolt, Nodular Iron
Main Housing Bore Dia.	2.751 in.
Cam Housing Bore Dia.	Bore 1/5 = 2.346 in. Bore 2/4 = 2.326 in. Bore 3 = 2.307 in.
Cam-to-Crank Centerline	4.914 in.
Piston Oil Squirters	Yes

 

Rotating Assembly Specifications
Piston Material	Cast aluminum alloy (with anti-friction coating and anodized top ring groove)
Piston Style	Dished without valve reliefs
Piston P/N	19180413
Piston Volume	+15cc
Wrist Pin Dia.	0.9431 in.
Connecting Rod P/N	12604857
Connecting Rod Material	Steel Powdered Metal
Connecting Rod Weight	696g
Connecting Rod Style	I-beam
Connecting Rod Length	6.098 in.
Connecting Rod Housing Bore	2.225 in.
Connecting Rod Bolts	M9 x 1 x 40
Crankshaft Material	Forged Steel
Crankshaft P/N	12623968
Crankshaft Rear Flange	8-bolt
Crankshaft Main Journal Dia.	2.559 in.
Crankshaft Rod Journal Dia.	2.100 in.
Reluctor Wheel	58X

 

Cylinder Head Specifications
Casting Number	4863
Material	356-T6 Rotocast Aluminum
Combustion Chamber Volume	69.8cc
Intake Port Shape	Rectangle
Intake Runner Volume	259cc
Exhaust Port Shape	D-port
Exhaust Runner Volume	89cc
Valve Seat Material (int./exh.)	Brico 3010
Cylinder Head Bolt Style	Torque to Yield (TTY)
Cylinder Head Bolt Size	(10) M11 x 2 x 100, (5) M8 x 1.25 x 45
Head Gasket P/N	12622033
Head Gasket Compressed Thickness	0.055 in.

 

Camshaft Specifications
Camshaft P/N	12623064
Duration @ .050 in. (int./exh.)	198°/216°
Valve Lift (int./exh.)	0.492 in./0.480 in.
Lobe Separation	122.5°
Cam Gear Attachment	1-bolt
Cam Gear Poles	4X
Active Fuel Management (AFM)	No
Variable Valve Timing (VVT)	No

 

Valvetrain Specifications
Lifter Style	Hydraulic roller
Lifter Link Style	Plastic lifter tray
Lifter Body Dia.	0.842 in.
Pushrod Length	7.325 in.
Pushrod Diameter	0.3125 in.
Rocker Arm Mounting Style	Pedestal
Rocker Arm Style	Die-cast, roller fulcrum
Rocker Ratio	1.7
Rocker Offset	Intake only
Valve Spring Style	Beehive
Valve Spring Seat Pressure	90 lbs. @ 1.800 in.
Valve Spring Open Pressure	295 lbs. @ 1.250 in.
Valve Spring Color	Natural
Valve Angle	12 degrees
Intake Valve Material	Stainless Steel, Hollow Stem
Intake Valve Dia.	2.165
Exhaust Valve Material	Stainless Steel, Solid Stem
Exhaust Valve Dia.	1.590
Timing Chain P/N	12646386
Timing Chain Guide Style	Spring Loaded Tensioner

 

Supercharger Specifications
Model	CTS-V	ZL-1
Supercharger P/N	19303635 (solid coupler)
	12670278 (spring loaded coupler)
Displacement	1.9L
Rotor Twist	160 Degree
Pulley Diameter	3.000 in. upper / 7.800 in. lower
Lid Height	Standard	0.750 in. Taller
Intercooler Brick	Standard	Large
Intercooler pump	Standard	Large

 

Other Specifications
Intake Manifold	Cast Aluminum (with integrated intercooler)
Throttle Body	87mm
Throttle Control	Electronic (Drive-by-Wire)
Fuel Injector P/N	12598646
Fuel Injector Flow	52 lb/hr @ 58 psi
Flex Fuel Capable (E-85)	No
Fuel Injector Length (between O-rings)	1.500 in.
Fuel Injector Connector	EV6 / USCAR
Camshaft Sensor Location	Timing Cover
Oiling System	Wet Sump
Oil Pan	Rear Sump (with a bolt-on cooler)
Oil Pump	High Volume
Oil Pump Pressure	1.25 ci/rev, 33 psi