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  • Pontiac 389 455 215cc 72cc Ram Air IV Hyd-R Complete Cylinder Heads + FREE Intake

Pontiac 389 455 215cc 72cc Ram Air IV Hyd-R Complete Cylinder Heads + FREE Intake

$1,857.90
SKU: PCE281.2165-PROMO

Build to Order

Details

Brand:Speedmaster
Part Number:PCE281.2165
Part Type:Cylinder Heads
  
Cylinder Head Style:Assembled
Cylinder Head Material:Aluminum
Cylinder Head Finish:Natural
Combustion Chamber Volume (cc):72 cc
CNC-Machined Combustion Chamber:Yes
Intake Runner Volume (cc):215 cc
Exhaust Runner Volume (cc):175 cc
CNC-Machined Intake Runner:No
CNC-Machined Exhaust Runner:No
Intake Port Shape:Ram Air IV
Intake Port Location:Standard
Exhaust Port Shape:Ram Air IV
Exhaust Port Location:Standard
Spark Plug Style:Straight
Comp. Valve Job:Yes
Intake Valves Included:Yes
Intake Valve Diameter (in):2.110 in.
Exhaust Valves Included:Yes
Exhaust Valve Diameter (in):1.660 in. 
Valve Springs Included:Yes
Maximum Valve Lift (in):0.580 in.
Outside Diameter of Outer Spring (in):1.450 in.
Damper Spring Included:Yes
Number of Springs Per Valve:Dual
Retainers Included:Yes
Retainer Material:Chromeoly 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:No 
Valve Cover Mounting Style:Center & Perimeter Bolt
Accessory Bolt Holes Drilled:Yes 
Intake Valve Angle:14 deg.
Exhaust Valve Angle:14 deg.
Valve Guides Included:Yes 
Valve Guide Material:Bronze 
Valve Seats Machined:Yes
Valve Seat Machine Style:3-angle
Valve Seat Material:Ductile iron 
Steam Holes Drilled:No
Oiling Style:Through pushrod 
Machined for O-Ring:No 
Heat Crossover:No
Quantity:Sold as a pair.
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