Part Number:

19201990

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:

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

Crankshaft (P/N 12598610):

Forged Steel

Connecting Rods (P/N 12624231):

Forged titanium

Pistons (P/N 12598634):

Forged aluminum

Camshaft Type (P/N 12605527):

Hydraulic roller

Valve Lift (in):

.562" intake / .558" exhaust

Camshaft Duration (@.050 in):

211 degree intake / 230 degree exhaust

Cylinder Heads (P/N 12621774):

Aluminum L92 style ports; 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