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LS327   327 Horsepower

  Part Number:

  

19165628
   

Engine Type:

  

LS Series Small-Block V-8
   

Displacement (cu in):

  

327 (5.3L)
   

Bore x stroke (in):

  

3.78 x 3.62 (96 x 92mm)
   

Block (P/N 12551360):

 

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

Crankshaft (P/N 12553480):

  

Nodular iron
   

Connecting rods (P/N 12568734):

  

Powdered metal steel
   

Pistons (P/N 12571545):

  

Hypereutectic aluminum
   

Camshaft Type (P/N 12561721):

  

Hydraulic roller
   

Camshaft lift (in):

  

.467 intake / .479 exhaust
   

Camshaft duration (@.050 in):

  

196 degree intake / 201 degree exhaust
   

Cylinder heads (P/N 12559865):

  

Aluminum; cathedral port
   

Valve size (in):

  

1.89 intake / 1.55 exhaust
   

Compression ratio:

  

9.5:1
   

Rocker arms (P/N 10214664):

  

Investment cast, roller trunnion
   

Rocker arm ratio:

  

1.7:1
   

Recommended fuel:

  

87 octane
   

Maximum recommended rpm:

  

6000
   

Reluctor wheel:

  

24X
   

Balanced:

  

Internal