Wiseco K490B115 Big Block Chevy Quick 8 Dome Piston Set 4.615 in. Bore 6cc Dome 1.215 in. CH

The Wiseco K490B115 is a Quick 8 Series forged piston set designed for Chevrolet Big Block engines.

Built from 2618 high-strength forged aluminum alloy, these pistons deliver the superior tensile strength and heat resistance demanded by naturally aspirated and nitrous-assisted BBC builds. The Quick 8 design is optimized to work with a wide range of conventional Big Block Chevy cylinder head configurations.

Key Features:

• Quick 8 Series — designed for conventional BBC cylinder heads
• 4.615 in. bore (standard +0.015 in. overbore)
• 6cc dome for elevated compression ratios
• 1.215 in. compression height
• Forged from 2618 high-strength aluminum alloy for superior durability
• ArmorGlide® skirt coating for reduced friction and improved break-in
• Vertical gas ports for improved ring seal and combustion efficiency
• Anti-detonation and pressure seal grooves
• Ring grooves: .043 in. / .043 in. / 3.0mm (rings sold separately)
• Wrist pin: S726 — .990 in. x 2.930 in. (included)
• Double Spirolox® retaining clips included
• Strutted skirt design for strength-to-weight optimization
• Engineered, forged, and machined in the USA

Wiseco's Quick 8 BBC piston sets are a trusted choice for engine builders seeking a proven forged piston solution for high-compression Big Block Chevy street, strip, and bracket race applications.