Achieve Maximum Displacement with the Callies Compstar 4.250" Stroke BBC Crankshaft

For Big Block Chevy (BBC) enthusiasts seeking significant displacement gains and formidable power, the Callies Compstar 4340 Forged Crankshaft with a 4.250-inch stroke is an exceptional choice. This crankshaft is engineered to provide a robust foundation for stroker BBC builds, delivering increased torque and horsepower across the RPM range. Constructed from high-strength 4340 forged steel, it offers superior durability for both street and track applications.

Engineered for High-Performance BBC Builds

• 4.250" Stroke: Designed for maximum cubic inch potential in Big Block Chevy engines.
• 4340 Forged Steel: Provides excellent strength and resistance to fatigue under high stress.
• Internal Balance: Ensures smooth engine operation, reducing harmful vibrations and extending component life.
• 2-Piece Rear Main Seal: Maintains compatibility with traditional Big Block Chevy engine blocks.
• Compstar Series: Delivers Callies' renowned quality and performance at an accessible price point.

Each Compstar crankshaft is meticulously machined and finished to tight tolerances, ensuring optimal bearing clearances and oiling. The advanced forging process and heat treatment enhance the material's structural integrity, making this crankshaft a reliable choice for engines pushing the boundaries of power. Invest in a Callies Compstar to build a BBC that truly stands out.

Key Features:

• Material: 4340 Forged Steel
• Stroke: 4.250 inches
• Balance: Internal
• Rear Main Seal: 2-Piece
• Engine Application: Big Block Chevy (BBC)
• MPN: BBP-425-CS

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