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Dart Pro 1 Marine Aluminum Cylinder Heads 19300132MMR

Dart 19300132MMR - Dart Pro 1 Marine Aluminum Cylinder Heads

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Cylinder Head, Marine Pro 1, Aluminum, Assembled, 121cc Chamber, 345cc Intake Runner, Chevy, Big Block, Each

Estimated Ship Date: 1/15/2015 (if ordered today) Would you rather pick it up? Select Location

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Brand: Dart

Manufacturer's Part Number: 19300132MMR

Part Type: Cylinder Heads

Product Line: Dart Pro 1 Marine Aluminum Cylinder Heads

Summit Racing Part Number: DRT-19300132MMR

Cylinder Head Style: Assembled

Cylinder Head Material: Aluminum

Cylinder Head Finish: Chromate

Combustion Chamber Volume (cc): 121

CNC-Machined Combustion Chamber: No

Intake Runner Volume (cc): 345cc

Exhaust Runner Volume (cc): 129cc

CNC-Machined Intake Runner: No

CNC-Machined Exhaust Runner: No

Combustion Chamber Style: Heart

Intake Port Shape: Rectangular

Intake Port Location: Standard

Exhaust Port Shape: Round

Exhaust Port Location: Raised

Intake Valves Included: Yes

Intake Valve Diameter (in): 2.300 in.

Exhaust Valves Included: Yes

Exhaust Valve Diameter (in): 1.880 in.

Valve Springs Included: Yes

Maximum Valve Lift (in): 0.690 in.

Outside Diameter of Outer Spring (in): 1.550 in.

Damper Spring Included: Yes

Number of Springs Per Valve: Dual

Retainers Included: Yes

Retainer Material: Steel

Locks Included: Yes

Lock Style: 10 degree

Valve Stem Seals Included: Yes

Valve Stem Seal Style: Positive stop

Rocker Arm Studs Included: No

Rocker Arms Included: No

Rocker Arm Nuts Included: No

Guideplates Included: Yes

Guideplate Pushrod Size: 3/8 in.

Valve Cover Mounting Style: Perimeter bolt

Accessory Bolt Holes Drilled: Yes

Intake Valve Angle: 24

Exhaust Valve Angle: 24

Valve Guides Included: Yes

Valve Guide Material: Manganese bronze

Valve Seats Machined: Yes

Valve Seat Machine Style: 4-angle intake/3-angle exhaust

Valve Seat Material: Ductile iron

Steam Holes Drilled: No

Oiling Style: Through pushrod

Machined for O-Ring: No

Heat Crossover: No

Quantity: Sold individually.

Notes: Fitted with Inconel exhaust valves, springs for use with hydraulic roller cam.

In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

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Power your boat like a pro with Dart Pro 1 Marine cylinder heads. Their aluminum cylinder heads are offered bare or assembled for out-of-the-box performance. Pro 1 Marine heads are cast from 355-T61 aerospace alloy with an exclusive chromate finish to inhibit corrosion and provide superior strength and integrity. These Dart cylinder heads have highly efficient chambers with race-proven features, including rolled valve angles, an improved spark plug location, extra-long intake valves, raised exhaust ports, and fast-burn chambers. Assembled heads include super-tough Inconel exhaust valves to withstand the extended running times and temperatures typical of marine usage. Top your boat block with a couple of power makers--Dart Pro 1 Marine aluminum cylinder heads.

Warranty

Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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