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Brian Crower CP Pistons GM LS Series Bullet Forged Pistons 4.005 Bore 9.1:1 CR

$797.59 Sale:$733.78

Brian Crower

Model #CP7451B

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Brian Crower CP Pistons make their custom BC stroker pistons from 2618 T6 high tensile strength forged aluminum forgings. These forgings are computer designed for strength and minimum weight. Each piston dia is CNC machined to assure optimal accuracy and superior grain flow in the forging process. 3D modeling software and rigorous Finite Element Analysis insure that your pistons are manufactured to the strongest and lightest part possible for your application.

Your custom pistons feature tighter clearances, less noise, better ring seal and overall better durability. Standard features include pin fit, carbon steel wrist pins and spiral locks or rail supports depending on application. Added features include upgraded 9310 alloy wrist pins for reduced flex, lateral gas ports to assist in ring seal, skirt and top coatings and lightweight design.

CP pistons are designed for oversized valves, high lift camshafts and available in a variety of compression ratios and bore sizes. All of their products represent the highest quality and are engineered for maximum power.

Pistons come with wrist pins, pin fitted, and locks.

  • Dedicated forgings
  • Balanced to + or - 1 gram
  • Wrist pins provided at no cost
  • Pin fitting provided at no cost
  • Accumulator Grooves
  • Dual forced pin oilers
  • Pick lock grooves
  • Fully CNC machined
  • USA Made
This piston set features:
  • Bore : 4.005" (in)
  • Fits : LS2 Cylinder Head
  • Stroke : 4.000" (in)
  • Rod Length : 6.125" (in)
  • C/D : 1.110" (in)
  • Dome/Volume : -27.8cc
  • Compression Ratio : 9.1 w/ 63cc head -27.8cc
  • Pin Diameter : .927"
  • VR Depth : I .190" / E .150"
  • Ring Grooves : 1.5 x 1.5 x 3.0mm

Proposition 65

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Vehicle Engine Notes
2004
Cadillac CTS-V

1993, 2010
Chevrolet Camaro

1997, 2005
Chevrolet Corvette

2001
Chevrolet Corvette Z06

2008
Pontiac G8

2004
Pontiac GTO

Due to the nature of performance applications and lack of control during installation and operation, all products sold by Brian Crower Inc. are sold without any expressed warranty or any implied warranty of merchantability or fitness for a particular purpose. Brian Crower Inc. shall not, under any circumstances, be liable for any special, incidental or consequential damages, including, but not limited to, damages or loss of other property or equipment, loss of profits or revenue, cost of purchased or replacement goods, or claims of customers of the purchaser which may arise and/or result from the sale, installation or use of these parts. Brian Crower Inc. reserves the right to make product improvements or changes without notice and without incurring liability with respect to similar products previously manufactured.

Brian Crower Inc. warranties are void when said Brian Crower product in question has been physically altered, improperly installed or used or otherwise damaged due to no fault of Brian Crower Inc. or has not been used for the said purpose it was intended or for which it was designed. Brian Crower Inc. does not warrant the performance of the products due to Brian Crower Inc. lack of control during product installation and usage.

These products are designed primarily for off highway use. Check State and Federal laws and emissions regulations.

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