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CP Bullet Pistons - Chevrolet LS7 - Flat - 1.115 C/H - 4.125 Base Bore - -4.6cc - LS7 12° Head
CP Bullet Forged Pistons

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Available Part Numbers/Oversize

CPP-BLSR1204-000 - 4.125
CPP-BLSR1204-005 - 4.130
CPP-BLSR1204-010 - 4.135
CPP-BLSR1204-030 - 4.155

CP Bullet Forged Pistons

The Game Has Changed

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.

    Bullet Series Pistons

    Features included

    • Pistons manufactured from 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 1.2mm x 1.2mm x 3.0mm ring pack that consists of High-grade Steel Gas Nitrided barrel faced tops with Taper Hook Groove Napier second rings and a 3-piece soft nitrided rail flex vent oils, specially designed for severe duty applications such as nitrous blowers and turbo engines.)
    • Forged side relief
    • Chromoly wrist pins with wire locks
    • FEA designed forging
    • Tight tolerances
    • USA made


      Item# Item Name Price Qty Add
      CPP-BLSR1204-000 CP Bullet Pistons - Chevrolet LS7 - Flat - 4.125 Bore (.000) - -4.6cc
      $0.00
      CPP-BLSR1204-005 CP Bullet Pistons - Chevrolet LS7 - Flat - 4.130 Bore (.005) - -4.6cc
      $0.00
      CPP-BLSR1204-010 CP Bullet Pistons - Chevrolet LS7 - Flat - 4.135 Bore (.010) - -4.6cc
      $0.00
      CPP-BLSR1204-030 CP Bullet Pistons - Chevrolet LS7 - Flat - 4.155 Bore (.030) - -4.6cc
      $0.00
      Check the items you wish to purchase, then click


      Technical Specs:
      Item Code CPP-BLS1204
      Vendor CP-Carrillo
      Product Type Pistons
      Product Model Bullet Series
      Nitrous 500 H/P
      Forced Induction 25 lbs
      Engine Displacement 428
      Engine Family CHEVROLET - LS Series
      Material 2618-t61 Forged Aluminum
      Base Bore 4.125
      Stroke 4.000
      Rod Length 6.125
      Compression Height 1.115
      Top Type Flat Top
      Dome Height
      Net Head Volume -4.6
      Deck Thickness
      Valve Pocket Location LS7 12° Head
      Valve Pocket Cutters
      Valve Pocket Depth .220 Intake / .161 Exhaust
      Weight Without Pin
      Wrist Pin Type 5100 Straight Wall
      Wrist Pin Diameter .927
      Wrist Pin Length 2.250
      Wall Thickness .150
      Wrist Pin Weight 91
      Pin Lock Type Wire
      Ring Grooves 1.2 1.2 3.0
      Moly Ring Set
      Steel Ring Set 1411-20003
      Oil Rail Spacer Yes
      Rings Included Yes
      Ring Lands
      Quantity Sold in sets of 8
      Notes:




      Compression Ratio:

      Cylinder Head Volume
      Part Number Net cc 65.0cc 68.0cc 70.0cc
      CPP-BLSR1204-000 -4.6 11.78 11.40 11.16
      CPP-BLSR1204-005 -4.6 11.81 11.42 11.18
      CPP-BLSR1204-010 -4.6 11.83 11.44 11.20
      CPP-BLSR1204-030 -4.6 11.92 11.53 11.29
      Computed at .050 piston to head clearance



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