Power Products Power Plus Aluminum Heads
The Best Flowing Head Per Dollar
Designed to significantly increase horsepower and torque throughout a wide power band. Enhanced precision cast 335cc intake runners for increased flow. Other features include bronze guides, hardened valve seats, large spring seats and multi-angle valve job. Ideal port size for Bracket and Competition engines. Great for larger cubic inch Pro Street, Street/Strip or Competition. Assemblies feature severe application 1-piece stainless steel 2.300"/1.880" valves, high quality springs, chrome moly retainers, valve locks, guide plates and 7/16" rocker studs.
•Enhanced precision cast 335cc intake runners
•Specifically Designed for a Wide Power Band
•Assemblies Include Severe Application Valves
Part Type: Cylinder Head
Application: Chevrolet Big Block
Cylinder Head Material: Aluminum
Bare or Assembled: Assembled
Combustion Chamber Size: 122cc
CNC Machined Combustion Chambers: No
Intake Valve Angle: 24
Exhaust Valve Angle: 24
Intake Port Volume: 335cc
CNC Machined Intake Port: No
Intake Port Flow:
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:
Exhaust Port Location: Raised
Exhaust Port Shape: Square
Exhaust Port Dimensions:
Suggested Exhaust Gaskets:
Spark Plug Style:
Suggested Spark Plug:
Valve Guides: Yes
Valve Guide Spacing:
Valve Stem Diameter:
Valve Seats: Yes
Valve Job: Multi-Angle
Intake Valve Diameter: 2.300"
Intake Valve Included: Yes
Exhaust Valve Diameter: 1.880"
Exhaust Valve Included: Yes
Suggested Valve Length:
Valve Spring Pockets:
Valve Springs Included: Yes, 1.500" Dual
Valve Spring Application: Hydraulic Roller/Mechanical Flat Tappet, 140lbs. Seat, 425lbs. Open, .730” Max Lift
Valve Springs Retainers Included: Yes
Valve Locks Included: Yes (10 Degree)
Valve Seals Included: Yes
Rocker Studs Included: Yes (7/16")
Guide Plates Included: Yes
Valve Cover Mounting Style:
Steam Holes Drilled: No
Heat Crossover: No
Suggested Head Bolts: ARP135-3603
Suggested Head Studs:
Suggested Stud Girdle:
Head Bolt Torque with Oil:
Rocker Stud Torque with Oil:
Intake Bolt Torque with Oil:
Manufacturer: Power Products
Manufacturer's Part Number: 54403 Assembled
Weight:
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold as Pair | 
