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LSA   556 Horsepower

Part Number:

 

19211708
   

Engine Type:

 

LS Series Gen IV Small-Block V-8
   

Displacement (cu in):

 

376 cu in (6.2L)
   

Bore x Stroke (in):

 

4.06 x 3.62 (103.25 x 92mm)
   

Block (P/N 12627939):

 

Cast-aluminum with 6 bolt, cross-bolted main caps
   

Crankshaft (P/N 12603616):

 

Forged Steel
   

Connecting Rods (P/N 12604857):

  

Powdered metal
   

Pistons (P/N 12625119):

 

Hypereutectic aluminum
   

Camshaft Type (P/N 12605220):

 

Hydraulic roller
   

Valve Lift (in):

 

.480" intake / .480" exhaust

   

Camshaft Duration (@.050 in):

 

198 degree intake / 216 degree exhaust
   

Cylinder Heads (P/N 12604860):

 

Aluminum L92 style port; as cast with 68cc chambers
   

Valve Size (in):

 

2.16 intake / 1.59 exhaust
   

Compression Ratio:

 

9.1:1
   

Rocker Arms (P/N 12569167 int):

 

Investment-cast, roller trunnion
   

Rocker Arms (P/N 10214664 exh):

 

Investment-cast, roller trunnion
   

Rocker Arm Ratio:

 

1.7:1
   

Recommended Fuel:

 

92 octane
   

Maximum Recommended rpm:

 

6600
   

Reluctor Wheel:

 

58X
   

Balanced:

 

Internal