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

Proform
Tapered Ring Compressor
4.030" Bore

Proform
Tapered Ring Compressor
4.040" Bore

Proform
Tapered Ring Compressor
4.060" Bore

Proform
Tapered Ring Compressor
4.125" Bore