Wiseco PTS537AS Oldsmobile 455 Pro Tru Piston Set 1.750 Ring Down

The Wiseco PTS537AS is a Pro Tru Piston Set engineered for the classic Oldsmobile 455 cubic inch V8 engine. Built to stock dimensions, this set provides a reliable, high-quality replacement or performance rebuild option for Olds 455-powered vehicles, using Wiseco's proven forging and finishing processes.

Key Features:

• Application: Oldsmobile 455 V8 engine
• Ring Down (R/D): 1.750-inch ring-down specification for precise ring groove placement
• Build to Stock: Matches factory bore and compression dimensions for reliable street or rebuild use
• Base Piston: Based on Wiseco 5053AS forging for proven durability and dimensional accuracy
• Pro Tru Series: Part of Wiseco's Pro Tru line, offering quality forged construction at an accessible price point
• Forged Construction: Wiseco's forged pistons provide superior strength and heat resistance compared to cast pistons
• Includes Rings: Set includes piston rings as part of the complete Pro Tru assembly

Wiseco's Pro Tru Piston Sets are a trusted choice for engine builders looking for forged piston quality in a stock-replacement configuration. The PTS537AS is designed to deliver dependable performance in Oldsmobile 455 applications, making it an excellent foundation for a quality engine rebuild.