Wiseco 5510A3 Pro Tru Street Forged Piston Kit Chevy 400 Flat Top 4.155 in. Bore

Key Features:

• Forged 4032 aluminum construction — lightweight, thermally stable alloy that expands less than 2618 at operating temperature for tighter cold clearances and quieter street operation
• Flat-top design with -7cc dish — optimized for flexible compression ratio tuning with common Chevy 400 head combinations
• 1.425 in. compression height — engineered for standard Chevy 400 SBC deck height and connecting rod combinations
• 0.927 in. pin diameter — compatible with chromium alloy steel piston pins (included)
• ArmorGlide skirt coating — reduces operating friction, minimizes wear, and promotes quieter piston operation
• As-forged dome with crown features and oil drain backs — improves oil control and ring seal
• Oversized, symmetrical, radiused valve pockets — provides clearance for a wide range of cam and head combinations
• Precision-finished pin bores with pin oilers — ensures proper lubrication at the wrist pin for long service life
• Plasma moly ring set included — 1/16 in., 1/16 in., and 3/16 in. rings for reliable sealing and fast break-in
• Chromium alloy steel piston pins and Spirolox clips included — everything needed for a complete rebuild

Forged and machined in Mentor, Ohio, USA, Wiseco Pro Tru Street pistons bring proven forged technology to budget-conscious performance builds. Whether you're refreshing a worn 400 SBC or building a stout street cruiser, the 5510A3 kit delivers the durability and precision that Wiseco is known for.

Specifications:

• Bore: 4.155 in.
• Compression Height: 1.425 in.
• Piston Volume: -7cc (flat top)
• Pin Diameter: 0.927 in.
• Piston Material: Forged 4032 Aluminum
• Crankshaft Stroke: 3.750 in.
• Connecting Rod Length: 5.700 in.