Engine Piston Set - without Rings

The Enginetech P4238(4).50 engine piston set is designed for precise performance and reliability in a range of Nissan models including D21 pickups from 1986 to 1989 and the 1987 Nissan Pathfinder. Crafted with high-quality materials, this piston set ensures excellent fitment and durability to meet the demands of engine rebuilders and restorers. Engineered specifically for compatibility with 3.504-inch bore diameters, it provides a perfect match for your engine rebuild project. This set is ideal for professionals and enthusiasts seeking consistent performance and quality assurance in their rebuilds.
The pistons feature matched weights for optimal balance, which helps reduce vibrations and improve engine smoothness. The top compression ring has a thickness of 2.00 mm, while the second compression ring measures 1.50 mm, and the oil ring is 4.00 mm thick. These specifications ensure effective sealing and oil control, contributing to engine longevity and efficiency. The pistons are designed without rings, giving rebuilders flexibility to select rings suited to their specific application. The piston pin has an outside diameter of 0.827 inches, compatible with the bore diameter of 3.504 inches, ensuring a secure fit within the engine block.
Manufactured by Enginetech, a trusted name in engine parts since 1982, this piston set is part of a comprehensive line of engine components tailored for import and domestic engines alike. Enginetech’s commitment to quality and customer satisfaction makes their parts a reliable choice for engine builders. Whether you're performing a complete overhaul or replacing worn components, this piston set offers the precision and durability necessary for a successful rebuild. Trust Enginetech for high-performance engine parts designed to meet or exceed OEM standards.

Features:

• Matched weights for perfect engine balance

• Top compression ring thickness: 2.00 mm

• Second compression ring thickness: 1.50 mm

• Oil ring thickness: 4.00 mm

• Piston pin outside diameter: 0.827 inches

• Bore diameter: 3.504 inches

• Engine rebuild-ready without rings

• Compatible with 1983-1989 Nissan D21, Pathfinder, and Nissan 720 models

Fits Following Models:
1983 Nissan 720
1984 Nissan 720
1985 Nissan 720
1986 Nissan 720
1986 Nissan D21
1987 Nissan D21
1987 Nissan Pathfinder
1987 Nissan Van
1988 Nissan D21
1988 Nissan Van
1989 Nissan D21