Description
Rotary FJ2439 / FJ2427 1.5-Inch Rubber Stack Blocks – Set of 4 for Auto Lifts and Rolling Jacks
These solid rubber stack blocks increase lifting height and protect vehicle undercoating, step bars, and rocker panels from contact with lift pads on low-rise lifts, inground lifts, and rolling jacks. Can be stacked with other blocks for additional height. Verify lift pad adapter compatibility before ordering.
Product Information
- Brand / Equipment: Rotary (aftermarket replacement)
- Manufacturer / Reference Part Number: FJ2439 (set of 4 x FJ2427 individual blocks)
- Store SKU: X4 1.5 Stack Blocks
- Component: Rubber stack blocks / height adapter pad – set of 4
- Dimensions (each block): 4-3/4 inches wide x 6-1/4 inches long x 1.5 inches tall
- Material: Solid rubber
- Listed Application: Low-rise lifts, inground lifts, and rolling jacks from many manufacturers
Replacement / Cross-Reference Numbers
- Rotary FJ2439 (set of 4), Rotary FJ2427 (individual block)
- Challenger 10549
Fitment & Ordering Notes
Compatible with many automotive pad lifts, low-rise lifts, inground lifts, and rolling jacks. Blocks can be stacked for additional vehicle clearance. Rotary is a registered trademark of its respective owner; this is an aftermarket replacement compatible with the specified part numbers.

