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ProMaxx Performance Shocker CNC Ported Chev BB Aluminum Heads
These heads feature professionally designed fully CNC ported runners and chambers. These heads have shown to outflow competitors heads that were 15cc larger. It's time to make your Chevy big block the baddest on the block at a price no one in the industry can touch. Built, designed, and ported in the USA. MAXX quality and performance at minimum pricing.
Shocker 340 CNC Ported Flowing over 415cfm with a 2.300" valve, this head is a powerhouse that flows in the mid-range as well as up top.
Part Type: Cylinder Head
Application: Chevrolet Big Block
Cylinder Head Material: Aluminum
Bare or Assembled: Bare
Combustion Chamber Size: 121cc
CNC Machined Combustion Chambers: Yes
Intake Valve Angle: 26
Exhaust Valve Angle: 26
Intake Port Volume: 340cc
CNC Machined Intake Port: Yes
Intake Port Flow: 415cfm
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: D-shaped
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:
Intake Valve Diameter: 2.300"
Intake Valve Included: No
Exhaust Valve Diameter: 1.880"
Exhaust Valve Included: No
Suggested Valve Length:
Valve Spring Pockets:
Valve Springs Included: No
Valve Spring Application: NA
Valve Springs Retainers Included: No
Valve Locks Included: No
Valve Seals Included: No
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:
Head Bolt Torque with Oil:
Rocker Stud Torque with Oil:
Intake Bolt Torque with Oil:
Manufacturer: ProMaxx Performance
Manufacturer's Part Number: 9340
Weight:
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold as Pair
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