Proform Adjustable Piston Ring Compressor 4.000-4.090 Range (66766)
Adjustable Piston Ring Compressor Tool; Unit has a 4.000 Inch to 4.090 Inch Bore Range; Blue Anodized Finish; Made from High-Quality Aluminum Material; Sold Individually.
Putting the connecting rod through first, simply place the piston (with rings) into the tapered end of the ring compressor. Tighten the compressor snugly around the base of the piston. Then lay the compressor flat on the engine cylinder bore.
- Unit has a 4.000-in. to 4.090-in. Bore Range
- Blue Anodized Finish
- Made from High-Quality Aluminum
- Sold Individually
Not all products are stocked in house. Please check for availability as some products may be backordered.
Most orders are shipped 1-2 weekdays after an order is placed, depending on availability. Some products are shipped directly from manufacturers.
PowerHouse Machining was founded with the vision of creating a one-stop-shop for all of your light duty engine needs. We pride ourselves on our industry-leading engine quality, dedication to customer service, and sincere passion for our trade.