Proform, Adjustable Tapered Ring Compressor, 4.000-4.090"    

4.000"-4.090" Bore
Blue Anodized

Proform, Adjustable Tapered Ring Compressor, 4.125-4.205"              

4.125"-4.205" Bore
Gold Anodized

Proform, Adjustable Tapered Ring Compressor, 4.250-4.310"     

4.250"-4.310" Bore
Red Anodized

Total Seal, Adjustable Tapered Ring Compressor, 4.345-4.455"    

4.345"-4.455" Bore

Total Seal, Adjustable Tapered Ring Compressor, 4.455-4.575"        

4.455"-4.575" Bore

Total Seal, Adjustable Tapered Ring Compressor, 4.575-4.700"

4.575"-4.700" Bore (Total Seal)

Proform, Tapered Ring Compressor, 4.000" Bore            

Tapered Ring Compressor
4.000" Bore

Proform, Tapered Ring Compressor, 4.030" Bore                   

Tapered Ring Compressor
4.030" Bore

Proform, Tapered Ring Compressor, 4.040" Bore    

Tapered Ring Compressor
4.040" Bore

Proform, Tapered Ring Compressor, 4.060" Bore                                                                          

Tapered Ring Compressor
4.060" Bore

Proform, Tapered Ring Compressor, 4.125" Bore         

Tapered Ring Compressor
4.125" Bore