4" Centering Rings & Bulkheads

$ 4.75

Rings and bulkheads are sized to fit our tubes. 

1/4" Birch Centering Ring 3.90" to 38mm $4.75
1/4" Birch Centering Ring 3.90" to 75mm $4.75

3/8" Birch/ Thrust Centering Ring (AFT End Thrust Ring)

3.90" to 38mm $4.95
3/16Canvas Phenolic/ Centering Ring 3.90" to 54mm $5.20
3/16Canvas Phenolic/ Centering Ring
3.90" to 75mm $5.20
3/16" Canvas Phenolic/ Thrust Centering Ring
(AFT End Thrust Ring)
3.90" to 54mm

$5.20

3/16Canvas Phenolic/ Thrust Centering Ring
(AFT End Thrust Ring)
3.90" to 75mm

$5.20

3/16" Canvas Bulkhead Fits our 4" coupler (w/1/4" center hole) $5.20
3/16" Canvas Phenolic Stepped Avbay Bulkhead Fits our 4" coupler  $5.20
MAC Aluminum Thrust Plate 3.9" to 54mm $38.95
MAC Aluminum Thrust Plate 3.9" to 75mm $40.95