Related Article Dyno Video: Shafiroff 509ci W-series With Hilborn EFI Related Article StreetVideos

Dyno Video: Shafiroff 509ci W-series With Hilborn EFI

Dyno Video: Shafiroff 509ci W-series With Hilborn EFI

Shafiroff Racing is expanding its HHR line of classic 509 engines by adding a Hilborn EFI option that boosts torque by 50 lb-ft over dual quads.

mikemagda
Posted by Mike Magda
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