Tier 1

• 1.625" OD 3/16" Wall tubing
• Rubber or Poly bushing on fixed end
• Rubber or Poly on adjustable end

Tier 3

• 1.75" OD 5/16" Wall tubing
• Tapered Flex Polyurethane bushing on fixed end
• Forged Currie Johnny Joint on adjustable end

Tier 4

• 1.75" OD 5/16" Wall tubing
• RockJock Johnny Joint on fixed end
• Forged Currie Johnny Joint on adjustable end