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Dart Pro 1 Marine Aluminum Cylinder Heads 19200112MMR

Dart 19200112MMR - Dart Pro 1 Marine Aluminum Cylinder Heads

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Cylinder Head, Marine Pro 1, Aluminum, Assembled, 121cc Chamber, 325cc Intake Runner, Chevy, Big Block, Each

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  • This part is normally shipped directly from the manufacturer / Supplier.

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Estimated Ship Date: 10/16/2014 (if ordered today) Would you rather pick it up? Select Location

Brand: Dart
Manufacturer's Part Number: 19200112MMR
Part Type: Cylinder Heads
Summit Racing Part Number: DRT-19200112MMR

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): 325cc
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): 2.250 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.

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.

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

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