Mopar Chrysler BB 383 440 265cc 74cc Hydraulic Flat Assembled Cylinder Heads

Description

PCE281.2140
Brand:
Speedmaster
Part Number:
PCE281.2140
Part Type:
Cylinder Heads
Cylinder Head Style:
Assembled
Cylinder Head Material:
Aluminum
Cylinder Head Finish:
Natural
Combustion Chamber Volume (cc):
74 cc
CNC-Machined Combustion Chamber:
Yes
Intake Runner Volume (cc):
265 cc
Exhaust Runner Volume (cc):
n/a
CNC-Machined Intake Runner:
No
CNC-Machined Exhaust Runner:
No
Intake Port Shape:
Rectangular
Intake Port Location:
Standard
Exhaust Port Shape:
Rectangular
Exhaust Port Location:
Standard
Spark Plug Style:
Standard
Comp. Valve Job:
No
Intake Valves Included:
Yes
Intake Valve Diameter (in):
2.200 in.
Exhaust Valves Included:
Yes
Exhaust Valve Diameter (in):
1.810 in.
Valve Springs Included:
Yes
Maximum Valve Lift (in):
0.650 in.
Outside Diameter of Outer Spring (in):
1.550 in.
Damper Spring Included:
Yes
Number of Springs Per Valve:
Single
Retainers Included:
Yes
Retainer Material:
Chromoly steel
Locks Included:
Yes
Lock Style:
10 degree
Valve Stem Seals Included:
Yes
Valve Stem Seal Style:
Positive stop
Rocker Arm Studs Included:
NoÊ
Rocker Arms Included:
NoÊ
Rocker Arm Nuts Included:
NoÊ
Guideplates Included:
NoÊ
Valve Cover Mounting Style:
Center & Perimeter Bolt
Accessory Bolt Holes Drilled:
YesÊ
Intake Valve Angle:
15 deg.
Exhaust Valve Angle:
15 deg.
Valve Guides Included:
YesÊ
Valve Guide Material:
BronzeÊ
Valve Seats Machined:
Yes
Valve Seat Machine Style:
3-angle
Valve Seat Material:
Ductile ironÊ
Steam Holes Drilled:
No
Oiling Style:
Through pushrodÊ
Machined for O-Ring:
NoÊ
Heat Crossover:
No
Quantity:
Sold as a pair.
Calculator
Compression Calculator
Assembly Specifications
Max Lift: .650
Coil Bind: .725
Intake Install: 135lbs @ 1.9
Exhaust Install: 135lbs @ 1.9
Closed Sear Pressure: 135lbs
Open Seat Pressure: 280lbs