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CP Forged Pistons_Pontiac 428/455_1.395 C/H_4.120 Base Bore_Dish _-25.0cc_OEM/Edelbrock Heads
CP Bullet Forged Pistons

Photo may not be actual product


Available Part Numbers/Oversize

CPP-BP8000-030 - 4.155

As the global economic climate continues to change, CP-Carrillo is proud to announce a new product division to stay current as the industry shifts to new directions. This series of pistons and rods will be the flagship for this new venture and will incorporate everything that has made CP-Carrillo the industry leader. Inspired by the top forms of motorsports, the goal is to offer a piston and rod alternative by introducing a high quality product at a reasonable price. Whether it is engineering or manufacturing, CP-Carrillo is constantly looking for ways to make their parts better. Extensive research and development along with centralized manufacturing cells have enabled CP-Carrillo to accomplish this goal and pass along the savings to our customers.

Features Included:
  • 2618 alloy for strength and durability
  • Balanced to + or – 1 gram
  • Dual forced pin oilers
  • Contact reduction grooves
  • Accumulator Grooves
  • Contemporary ring set included (Comes standard with 1/16 x 1/16 x 3/16 ring pack)
  • Forged side relief
  • Chromoly wrist pins with wire locks
  • FEA designed forging
  • Tight tolerances
  • Made in America
  • Price includes pistons, pins, rings, locks and oil rail spacers (as required)

Item# Item Name Price Qty Add
CPP-BP8000-030 Bullet Pistons_Pontiac 428/455_ Flat_4.155 Bore (.030)_-25.0cc
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Technical Specs:
Item Code CPP-BP8000
Vendor CP Pistons
Product Type Pistons
Product Model Bullet Series
Engine Displacement 461
Nitrous Not recommended
Forced Induction Not recommended
Engine Family Pontiac - 428/455 V8
Material 2618-t61 Forged Aluminum
Base Bore 4.120
Stroke 4.250
Rod Length 6.700
Compression Height
Top Type Dish
Net Piston Volume -25.0
Dome Height -.145
Deck Thickness
Valve Pocket Location OEM/Edelbrock Head
Valve Pocket Cutters
Valve Pocket Depth .250 Symmetrical
Weight Without Pin 502
Wrist Pin Type 5100 Straight Wall
Wrist Pin Diameter .990
Wrist Pin Length 2.500
Wall Thickness .150
Wrist Pin Weight 130
Pin Lock Type Wire
Ring Grooves 1.5 1.5 3.0
Oil Rail Spacer No
Rings Included Yes
Ring Lands
Quantity Sold in sets of 8

Compression Ratio:

Cylinder Head Volume
Part Number Net cc 66cc 69cc 72cc 74cc
CPP-BP8000-030 -25.0 10.18 9.92 9.67 9.52
Computed at.010 deck and .041 gasket

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