![P6004(8)030 Piston for 1959-1966 Buick 6.6L [+0.030 in. Oversize]](https://www.jegs.com/images/mini_750/400/416/416-p6004(8)030.jpg)
P6004(8)030 Piston for 1959-1966 Buick 6.6L [+0.030 in. Oversize]
Size :
The Enginetech P6004(8)030 is a replacement piston for 1959-1966 Buick 6.6L.370 high. 1.912 CH. Use R41818 engines, sized at +0.030 in. Oversize. Engineered to OE specifications for reliable combustion chamber performance.
Enginetech P6004(8)030 Piston Features:
- Fitment: GM/Buick, 401 ci
- Size: +0.030 in. Oversize
- Engineered to OE specifications for direct replacement
Precision-Engineered Pistons for Reliable Engine Performance
Enginetech Piston Sets are engineered to deliver consistent performance, durability, and OE-level fitment for engine rebuild and repair applications, backed by Enginetech’s reputation as a trusted supplier to professional engine builders. Manufactured using advanced materials and precision machining processes, these piston sets are designed to maintain proper clearances, balance, and combustion efficiency across a wide range of domestic and import engines. Enginetech offers cast aluminum, hypereutectic, and forged piston options to meet varying performance and durability requirements, ensuring compatibility with both stock and performance builds. With a focus on weight-matched sets, dimensional accuracy, and long-term reliability, Enginetech piston sets provide a dependable foundation for restoring engine integrity, improving efficiency, and supporting consistent operation under demanding conditions.
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