Sealed Power WH345DCP Engine Piston

Sealed Power WH345DCP Engine Piston Overview

The Sealed Power WH345DCP engine piston is designed for reliable performance in a range of classic GM vehicles. Engineered with precision, this standard size piston suits various Cadillac, Chevrolet, GMC, and Pontiac models, ensuring compatibility and durability.

• Standard size piston with a 4.000 inch bore diameter
• Compression distance of 1.548 inches for optimal combustion
• Negative 6.9 cc dome volume for efficient engine performance
• Flat head type with 4 reliefs, compatible with lock ring LR-63 (lock ring not included)
• Duroshield skirt coating for enhanced wear resistance
• Pin diameter of 0.927 inches with F-type pin weighing 149 grams
• Minimum clearance of 0.0010 inches for precise fitment
• Includes 2 compression rings (5/64 inch width) and 1 oil ring (3/16 inch width)
• Weight: 678 grams with pin, 529 grams without pin

Technical Details and Compatibility

The WH345DCP piston from Sealed Power is crafted to meet the specifications required by a variety of GM vehicles, including Cadillac Brougham, Chevrolet Camaro, Corvette, Impala, and Monte Carlo, as well as GMC Jimmy and Suburban models, and Pontiac Firebird and Parisienne. Its 4.000 inch bore and flat head design with four reliefs allow for efficient combustion chamber clearance and compatibility with lock ring LR-63 (sold separately). The duroshield skirt coating reduces friction and wear, extending piston life under demanding engine conditions.

Applications and Problem Solving

• Replacement for worn or damaged pistons in classic GM V8 engines
• Addresses piston skirt wear and scuffing issues
• Helps restore proper compression and engine efficiency
• Suitable for rebuilding engines with standard bore size
• Compatible with engines requiring flat head pistons with reliefs for valve clearance

Installation Notes and Tips

• Ensure piston-to-cylinder bore clearance matches the minimum clearance of 0.0010 inches
• Use lock ring LR-63 separately as it is not included with the piston
• Verify pin diameter of 0.927 inches and pin type F for correct wrist pin fitment
• Check ring end gaps and install rings according to manufacturer specifications
• Apply proper lubrication to piston skirts and rings during assembly

Quality Assurance and Warranty

Sealed Power pistons are manufactured to meet OEM standards for durability and performance. The WH345DCP piston undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details are not provided, Sealed Power products typically come with a limited warranty against manufacturing defects. Always consult product documentation for warranty terms.