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 310cc 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 stainless steel 2.250"/1.880" valves, high quality springs, chrome moly retainers, valve locks, guide plates, and 7/16" rocker studs.
•Enhanced precision cast 310cc 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: 124cc
CNC Machined Combustion Chambers: No
Intake Valve Angle: 24
Exhaust Valve Angle: 15
Intake Port Volume: 310cc
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: 2.250"
Intake Valve Included: Yes
Exhaust Valve Diameter: 1.880"
Exhaust Valve Included: Yes
Suggested Valve Length:
Valve Spring Pockets:
Valve Springs Included: Yes
Valve Spring Application: Hydraulic/Mechanical Flat Tappet, Dual w/ Damper, 1.460", .640" Lift
Valve Springs Retainers Included: Yes, Chrome Moly
Valve Locks Included: Yes, 10 Degree
Valve Seals Included: Yes
Rocker Studs Included: Yes, 7/16"
Guide Plates Included: Yes
Valve Cover Mounting Style: Perimeter
Steam Holes Drilled: No
Heat Crossover: No
Suggested Head Bolts: 135-3603 (Mark IV)
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: 54406K1
Weight:
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold as Pair
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