Manley 290740R SBC Flat Top Piston Kit Stroke - 355 3.480 4cc

The Manley 290740R is a complete flat-top piston kit designed for Small Block Chevrolet (SBC) 355 cubic inch engine builds featuring a 3.480-inch stroke. With a -4cc flat top dome, these pistons are engineered to deliver an optimal compression ratio for naturally aspirated and mild forced-induction performance applications.

Manley Performance has been a trusted name in high-performance engine components for decades, and this piston kit reflects their commitment to precision manufacturing and durability. Each piston is crafted to tight tolerances to ensure proper ring seal, reliable power delivery, and long service life under demanding conditions.

Key Features:

• Designed for Small Block Chevrolet (SBC) 355 cubic inch applications
• 3.480-inch stroke specification for proper rod/piston pairing
• -4cc flat top design for controlled compression ratio tuning
• High-strength forged or hypereutectic construction for durability
• Manufactured to precise tolerances for optimal ring seal and power output
• Suitable for street performance and racing engine builds

The Manley 290740R piston kit is an excellent choice for engine builders looking to assemble a reliable, high-performing SBC 355 combination. Always verify bore size, compression height, and rod length compatibility when speccing your build.