Draper Piston Ring Compressor
These high-performance Draper piston ring compressors are engineered to simplify and secure piston installation during engine assembly or repair. Crafted from blue-tempered spring steel, they deliver consistent compression force, minimizing ring distortion and preventing cylinder wall damage.
Each compressor features a precision worm gear mechanism for smooth, even tightening, along with a wide band to distribute pressure uniformly. Designed for both professional and DIY engine work, these tools make piston insertion fast, controlled, and reliable.
Features & Benefits
-
Constructed from durable, blue-tempered spring steel
-
Corrosion-resistant finish for extended tool life
-
Worm drive mechanism allows precise and adjustable compression
-
Wide steel band prevents ring overlap or damage
-
Ideal for garages, workshops, and engine rebuilders
Models & Ranges:
-
Draper 51845: Suitable for piston diameters from 53–125mm (2"–5")
-
Draper 51847: For larger pistons, covering 90–175mm (3-1/2"–7")
-
Draper 08444: Compact model ideal for smaller pistons from 53–125mm (2"–5"), featuring a ratchet locking mechanism and quick-release lever for added convenience
Whether you're rebuilding a small car engine or handling larger powertrains, Draper's piston ring compressors offer the control and reliability you need for a smooth fit, every time.
*Product images are for illustrative purposes only and may differ from the actual product