Don't risk finding your bike falling over because of a small

1986-1990 Sportster

Manufactured by ARP® to Thrashin's® exact specifications

#HHC-604 1/4-20 x 1-1/4 length Chrome Hex Head Bolt - 10 Pack

Linkert Intake Leak Tester - 3 Bolt Vendor_Colony Machine- Lowbrow Don't risk finding your bikeThis tool from Unity Manufacturing makes testing your intake tract a breeze. Simply bolt this to your intake manifold, make sure your intake valves are closed, and use a bicycle tire pump or air compressor regulated down to 10 psi. Spray the intake gasket area with soapy water and look for the bubbles. Readjust your clamps and repeat until you dont have any leaks, then bolt your carb on and go! Made in USA.