Wanted: Holley Projection 4 (Kit 504-1, 4bbl, 900cfm, analog) Harness

Dec 18, 2003 Last reply: 4 years ago 1 Replies

I need a harness for my Holley Projection 4. The kit part number is



504-1. The throttle body is the 900 CFM 4bbl unit. The harness part number is 534-30-1 for the old analog system. A picture of the harness is at
formatting link
. Anyone wishing to sell me one, please contact me at; snipped-for-privacy@verizon.net

Hey! I have that unit. Original purchaser too. Lost the instruction manual. Plugs are not made up on this. Any idea where the wires go in the plugs. Rather important. Nightmare. I'm a controls tech hvacr. No instructions available. Holley was no help.

Join the Discussion

Have something to add? Share your thoughts — no account required.

Didn't find your answer?

Ask the community — no account required