Jims Tools 1236 Piston Ring Compressor Set 6-Piece 2-7/8 to 4-3/8 Inch

The Jims Tools 1236 Piston Ring Compressor Set is a professional-grade 6-piece tool kit designed for precision piston installation in automotive, motorcycle, and powersports engines. This comprehensive set features adjustable band-type compressors ranging from 2-7/8 inches to 4-3/8 inches in diameter, providing versatile coverage for a wide variety of bore sizes.

Key Features:

• Six-piece band-type piston ring compressor set for multiple engine applications
• Size range from 2-7/8 inches to 4-3/8 inches accommodates various cylinder bore diameters
• Fine tooth ratcheting mechanism allows precise incremental compression adjustment
• Ratcheting design ensures even, controlled compression around the entire piston ring set
• Heavy-duty band construction provides reliable grip without damaging rings
• Essential tool for engine rebuilds, piston replacement, and performance upgrades

The fine-tooth ratcheting action is the standout feature of this compressor set, allowing technicians to tighten the bands gradually and evenly. This precise control prevents ring damage and ensures proper compression for smooth piston insertion into the cylinder bore. Ideal for professional mechanics and serious DIY enthusiasts working on engine rebuilds across multiple vehicle types.