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phone: 316 775 7771

Dart BBC Pro 1 Aluminum Cylinder Heads (Pair) #19300136

$3,563.74
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SKU:
19300136
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The Dart Big Block Chevy Pro 1 Aluminum Heads were inspired by Dart's championship-winning Pro Stock designs and available with 310, 325, 345, or 355cc oval or rectangular port intake runners, big block Pro 1 aluminum cylinder heads deliver out-of-the-box airflow that smokes the competition! Specifically engineered for street performance, bracket racing and Super Eliminator engines yet can be used with off-the-shelf pistons, valve train components and intake manifolds! Sold as pair.

Race-Proven Pro 1 Features:

 

Part Type: Cylinder Heads

 

Product Line: Dart Pro 1 Aluminum Cylinder Heads

 

Cylinder Head Style: Assembled

 

Cylinder Head Material: Aluminum

 

Cylinder Head Finish: Natural

 

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): 0.790 in.

 

Outside Diameter of Outer Spring (in): 1.625 in.

 

Damper Spring Included: No

 

Number of Springs Per Valve: Dual

 

Retainers Included: Yes

 

Retainer Material: Titanium

 

Locks Included: Yes

 

Lock Style: 10 degree

 

Valve Stem Seals Included: Yes

 

Valve Stem Seal Style: Positive stop

 

Rocker Arm Studs Included: Yes

 

Rocker Arm Nut Thread Size:7/16-20 in.

 

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: 15

 

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

 

Call 316-775-7771 to purchase.

 

WARNING: This product contains a chemical known to the State of California to cause cancer and reproductive harm. See https://www.p65warnings.ca.gov/ for details.