Edelbrock Nitrous Microswitch and Bracket Kit for Holley HP Series Installation guide

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MICROSWITCH BRACKET KIT

For Holley HP series carburetor

Part #72277

INSTALLATION INSTRUCTIONS

Part #72277

Rev. 7/09 MH

Brochure #63-72277

IMPORTANT NOTE:

Proper installation is the responsibility of the installer. Improper installation will void warranty

and may result in poor performance and engine or vehicle damage.

1. Mount switch to bracket so that arm is pointed toward carb bolt holes. Insert screws through switch and bracket.

2. Thread nuts onto supplied screws, verify switch arm alignment before final torque.

3. Mount bracket and switch assembly using fine threaded holes on passenger side of carburetor. Mounting holes on some HP

carbs may need to be chased with an 8-32 tap.

4. Verify full throttle, microswitch operation, and throttle return.

MICROSWITCH BRACKET KIT

For Holley HP series carburetor

Part #72277

INSTALLATION INSTRUCTIONS

Part #72277

Rev. 7/09 MH

Brochure #63-72277

IMPORTANT NOTE:

Proper installation is the responsibility of the installer. Improper installation will void warranty

and may result in poor performance and engine or vehicle damage.

1. Mount switch to bracket so that arm is pointed toward carb bolt holes. Insert screws through switch and bracket.

2. Thread nuts onto supplied screws, verify switch arm alignment before final torque.

3. Mount bracket and switch assembly using fine threaded holes on passenger side of carburetor. Mounting holes on some HP

carbs may need to be chased with an 8-32 tap.

4. Verify full throttle, microswitch operation, and throttle return.