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2-Piece Quick Disconnect Assembly

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Connect air or coolant pipes much more quickly and more securely than with hoses and hose clamps! These Quick Disconnect Couplings use a spring retainer clip that is easily installed or removed by hand -- no tools required. Just weld the male ferrule and the female coupler to the ends of your aluminum tubes wherever you need an easily-operated connection. The double O-ring seals have been tested by an independent laboratory to be leak-free at a misalignment angle of 3 degrees under pressures up to 125psi! These two-piece kits include a male ferrule, a female coupler, and a spring retainer clip. (Each kit requires 2 O-rings, sold separately.)

Independent Laboratory Test Results
Proof Pressure
125 psi at 3° for 5 minutes250 psi at 0° for 5 minutes
No leaks observed at seal locationNo leaks observed at seal location
Burst Strength
525 psi: Burst at coupling; channel that holds retaining clip deformed

"... [We] beat the snot out of them. After countless dyno pulls and a day at the track, we experienced zero failures. The QDCs even outlasted a blown head gasket." -- DSport Magazine, Jan '09

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Part No.





2-Piece Quick Disconnect Assembly, 1.00"

$41.99 In Stock


2-Piece Quick Disconnect Assembly, 1.50"

$51.99 Not In Stock
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2-Piece Quick Disconnect Assembly, 2.00"

$62.99 Not In Stock
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2-Piece Quick Disconnect Assembly, 2.50"

$72.99 In Stock


2-Piece Quick Disconnect Assembly, 3.00"

$82.99 Not In Stock
notify me when available