Goodwin Competition CNC Pro Ported Power Plus Chev BB Heads Aluminum
Professional porting now available to everyone! From the top name in competition research and development for many top race teams comes these fully CNC ported masterpieces. The latest in wet flow technology produces a minimal cross sectional area with max velocity air flow. Full attention is applied to each intake runner, exhaust runner, chamber and bowl area, for the best flowing heads of their class.
• Precision CNC Pro Ported by Goodwin Competition
• The Latest in Wet Flow Technology
• Minimal Cross Sectional Area with Max Velocity Air Flow
• Full Attention is Applied to each Intake Runner, Exhaust Runner,
Cumbustion Chamber and Bowl Area
Assemblies include 2.300"/1.880" Severe Application stainless steel race valves, premium roller valve springs, 10 degree titanium retainers, 10 degree forged locks, VTO super seals, spring seats, ARP rocker studs, and guide plates.
*Features titanium retainers
Part Type: Cylinder Head
Application: Chevrolet Big Block
Cylinder Head Material: Aluminum
Bare or Assembled: Assembled
Combustion Chamber Size: 121cc
CNC Machined Combustion Chambers: Yes
Intake Valve Angle: 24
Exhaust Valve Angle: 24
Intake Port Volume: 372cc
CNC Machined Intake Port: Yes
Intake Port Flow:
Intake Port Location: Standard
Intake Port Shape: Rectangular
Intake Port Dimensions:
Suggested Intake Gaskets:
Exhaust Port Volume:
CNC Machined Exhaust Port: Yes
Exhaust Port Flow:
Exhaust Port Location: Standard
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, 1.645" Dual
Valve Spring Application: Mechanical Roller, 250lbs. Seat, 800lbs. Open, .880” Max Lift
Valve Springs Retainers Included: Yes (Titanium)
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:
Suggested Head Studs:
Suggested Stud Girdle:
Head Bolt Torque with Oil:
Rocker Stud Torque with Oil:
Intake Bolt Torque with Oil:
Manufacturer: Goodwin Competition
Manufacturer's Part Number: GDW77005 Assembled
Weight:
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold as Pair |