A bigger bore does not make ring installation any less risky by hand, especially with tight-fit rings. This tapered compressor sleeve is sized specifically for a 3.800 in. bore, guiding the piston straight in so the rings stay compressed and seated all the way around during installation.

Proform 67471 Tapered Ring Compressor Features:

• Fits 3.800 in. piston bores
• Tapered sleeve design compresses rings evenly for smooth piston installation
• Machined from aluminum
• Red anodized finish
• Suited for use on engine blocks assembled with studs
• Sold individually