QA1 High Travel Coil-Over Spring - 2-1/2" I.D. x 14" Tall - 130 lb. Vacuum Pump Fittings Heim Joint Inner Diameter: 0

Heim Joint Inner Diameter: 0

The only four-port regulator on the market that uses a soft-seat design

Mandrel bent 16-gauge Aluminized Steel Tubing

060" thick shims

QA1 High Travel Coil-Over Spring - 2-1/2" I.D. x 14" Tall - 130 lb. Vacuum Pump Fittings Heim Joint Inner Diameter: 0Powder Coated, Chrome Appearing Silicon Manganese SteelAll QA1 springs are manufactured using the highest quality chrome silicone. This material offers high strength, consistency and longer life. Cold Wound Heat Treated Shot PeenedAll QA1 springs go through intensive manufacturing processes to ensure consistency, accuracy and durability. Squared EndsAll QA1 springs are ground at both ends to ensure straight, consistent and accurate operation.