Enginetech P30668030 Piston Set for Chrysler Dodge 440 7.2L 4.350" Bore

The Enginetech P30668030 is a replacement piston set designed for Chrysler and Dodge 440 cubic inch (7.2L) big block RB engines. This set features a 4.350 inch bore diameter, which is 0.030 inch oversized from the standard 4.320 inch bore, making it ideal for engine rebuilds requiring cylinder boring to restore proper cylinder wall tolerances.

Key Features:

• 4.350 inch bore diameter (0.030" oversize)
• Designed for Mopar big block RB 440 engines
• Manufactured with state-of-the-art materials to match OE requirements
• Available in cast aluminum, hypereutectic, or forged construction depending on application
• Typical compression height specifications for proper deck clearance
• Compatible with standard ring groove configurations

Enginetech pistons are produced with quality materials matching or exceeding original equipment standards. Most Enginetech pistons feature a compression height decked 0.010" to 0.020" from stock, with principal diameter sizing to compensate for oversized bores. The company offers a lifetime warranty when professionally installed, making this an economical choice for stock rebuilds and mild performance applications. This piston set is designed for naturally aspirated engines and works with standard bearing clearances and ring gaps.