Wiseco Pro Tru PTS514A3 Forged Dome Pistons, 4.280 in Bore, +21 cc, Big Block Chevy, Set of 8

Upgrade your Big Block Chevy engine with the Wiseco Pro Tru PTS514A3 forged dome piston set, engineered for dependable performance in demanding high-performance applications. Each piston features a domed crown designed to help increase compression potential while supporting efficient combustion chamber compatibility. The set includes eight pistons for a complete engine build or rebuild.
The 4.280-inch bore pistons feature a 1.645-inch compression height and a nominal dome volume of plus 21.00 cc. Precision-machined ring grooves accept 1/16-inch, 1/16-inch, and 3/16-inch piston rings, providing a practical configuration for performance-oriented engine assemblies. The forged construction delivers strength and durability for applications where cast pistons may not provide the desired margin of performance.
Wiseco Pro Tru combines application-focused design with consistent manufacturing to help support reliable fitment and long-term service. The PTS514A3 piston set is intended for Big Block Chevy engines and should be matched with the appropriate connecting rods, crankshaft, cylinder head configuration, compression ratio, and piston rings. Verify all clearances and engine specifications before installation to ensure proper performance and durability.

Features:

• Brand: Wiseco Pro Tru

• Part Number: PTS514A3

• Piston Style: Forged dome

• Application: Big Block Chevy

• Bore Size: 4.280 inches

• Compression Height: 1.645 inches

• Dome Volume: Plus 21.00 cc

• Ring Grooves: 1/16 inch, 1/16 inch, and 3/16 inch

• Quantity: Set of 8