ProMaxx Performance Maxx 440 Chrysler BB Aluminum Heads
The New "MAXX 440 Big Block Chrysler" features a new ultra smooth casting. By flowing over 295cfm and using all stock type components it gives the Mopar enthusiast and affordable choice in the market withough sacrificing quality. The MAXX 440 will wake up your Mopar. For superior casting strength and durability they are cast from A356 aluminum and heat treated to T-6 specifications. Built in the U.S.A.
Assemblies include 2.140"/1.810" stainless steel valves, chrome moly retainers, hardened valve locks and HP springs (to .600" lift). 5 angle competition valve job, diamond honed bronze guides, hand bowl blending and assembly by professional builders.
Part Type: Cylinder Head
Application: Chrysler Big Block
Cylinder Head Material: Aluminum
Bare or Assembled: Assembled
Combustion Chamber Size: 84cc
CNC Machined Combustion Chambers: No
Intake Valve Angle: 15
Exhaust Valve Angle: 15
Intake Port Volume: 210cc
CNC Machined Intake Port: No
Intake Port Flow: 300cfm @ .700" Lift/ 28"
Intake Port Location: Standard
Intake Port Shape: Rectangular
Intake Port Dimensions:
Suggested Intake Gaskets:
Exhaust Port Volume:
CNC Machined Exhaust Port: No
Exhaust Port Flow: 225 cfm @ .700" Lift/ 28"
Exhaust Port Location: Raised .300"
Exhaust Port Shape: Square
Exhaust Port Dimensions:
Suggested Exhaust Gaskets:
Suggested Spark Plug:
Spark Plug Style: Angled
Valve Guides: Yes
Valve Guide Spacing:
Valve Stem Diameter:
Valve Seats: Yes
Valve Job: 5-Angle
Intake Valve Diameter: 2.140"
Intake Valve Included: Yes
Exhaust Valve Diameter: 1.810"
Exhaust Valve Included: Yes
Suggested Valve Length:
Valve Spring Pockets:
Valve Springs Included: Yes
Valve Spring Application:
Valve Springs Retainers Included: Yes
Valve Locks Included: Yes
Valve Seals Included: Yes
Rocker Studs Included: No
Guide Plates Included: No
Valve Cover Mounting Style: Perimeter bolt
Steam Holes Drilled: No
Heat Crossover: No
Suggested Head Bolts:
Suggested Head Studs:
Suggested Stud Girdle: NA
Head Bolt Torque with Oil:
Rocker Stud Torque with Oil:
Intake Bolt Torque with Oil:
Manufacturer: ProMaxx Performance
Manufacturer's Part Number: 9440
Weight:
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold as Pair |