• KB Performance Pistons KB257.STD KB Series Hypereutectic Domed Piston Set
  • KB Performance Pistons KB257.STD KB Series Hypereutectic Domed Piston Set

KB Performance Pistons KB257.STD KB Series Hypereutectic Domed Piston Set

$494.02 USD
$494.02 USD
$494.02 USD
Shipping calculated at checkout.

Vendor : KB PERFORMANCE PISTONS

Product Type : Engines and Components

Sku : KBPKB257.STD

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BBC Domed Piston Set 4.250 Bore +26cc

The KB Performance Pistons KB257.STD piston set is designed for Big Block Chevy applications and includes eight hypereutectic domed pistons. The set features a 4.250-inch bore and a 1.645-inch compression height for use in compatible engine builds.

Each piston has a plus 26.00 cc dome configuration and 5/64 x 5/64 x 3/16-inch ring grooves. The KB Series design provides the specified piston configuration for builders seeking a hypereutectic domed piston set for a Big Block Chevy engine.

This set includes eight pistons. Verify engine application, required clearances, and ring compatibility before installation to ensure the components match the intended build.

Features:

  • Brand: KB Performance Pistons
  • Part Number: KB257.STD
  • Piston Type: Hypereutectic domed piston
  • Application: Big Block Chevy
  • Bore: 4.250 inches
  • Compression Height: 1.645 inches
  • Dome Volume: Plus 26.00 cc
  • Ring Grooves: 5/64 x 5/64 x 3/16 inches
  • Quantity: Set of 8