Auto Barn
Est. 1957
CP Pistons

CP Piston Bullet Race Series Small Block Ford 4.125 Bore 3.250 Stroke 5.400 Rod Comp Set Of 8

$955.50

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CP Pistons Bullet Race Series forged piston set for Small Block Ford. STD bore, 3.250" stroke. Not CARB approved.

Key Features

  • Fits Small Block Ford engines.
  • Set of 8 forged aluminum pistons.
  • 4.125 inch standard bore size.
  • Designed for a 3.250 inch stroke.
  • Compatible with 5.400 inch connecting rods.
  • Not CARB approved; cannot ship to California.
This piston set is designed for Small Block Ford engines. Please verify compatibility with your specific engine build details.
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About this part

Product Details

This is a set of eight CP Pistons Bullet Race Series pistons designed for Small Block Ford engines. They feature a 4.125 inch bore, a 3.250 inch stroke, and are built to work with a 5.400 inch connecting rod. These pistons are a solid choice for builders looking to maximize performance in their Ford V8, whether for track use or serious street applications where power and durability are key. CP Pistons is known for making well-built internal engine components, and this set reflects that reputation.

Constructed from forged aluminum, these pistons offer a strong yet lightweight solution for high-performance engines. The forging process creates a denser, more uniform grain structure than cast aluminum, making them significantly more resistant to the stresses and heat generated in a performance V8. This particular set is designed for a standard 4.125 inch bore, which is common for many popular Small Block Ford builds. The 3.250 inch stroke compatibility and the 5.400 inch rod length specification are crucial details for ensuring proper piston-to-valve clearance and compression height in your specific engine combination. It's always recommended to confirm these measurements against your chosen crankshaft and connecting rods to achieve the desired compression ratio and deck height.

This set includes all eight pistons needed for a complete engine build. Please note that these pistons are not CARB approved and cannot be shipped to California. Always consult your engine builder or a trusted professional to ensure these pistons are the right fit for your project's goals and specifications.

Specifications

Brand
CP Pistons
Manufacturer Part #
BF6120-STD
UPC
MM-4912

Frequently Asked Questions

CP Piston Bullet Race Series Small Block Ford 4.125 Bore 3.250 Stroke 5.400 Rod Comp Set Of 8

$955.50