700hp pump fuel Holden

higgins Holden

George’s Holden 383 on the dyno at Dandy Engines. This engine features our CNC ported 4-bolt Holden alloy heads as well as our prototype Holden inlet manifold that easily yielded over 700hp on pump fuel.

NEW Heads in 2018

higgins BBC, Ford, Holden, LS

We have a few new products on the go for 2018! LSA supercharger manifold porting now available. Different options available. Call for pricing.

Inside Higgins Race Developments

higgins Boats, Drag, Ford, Holden, LS

Well known cylinder head specialist Nathan Higgins of Higgins Race Developments uncovered. HRD was the first Australian company to manufacture a 6-bolt LS cylinder head and in more recent times are now manufacturing Ford Small block and Holden V8 CNC ported cylinder heads.

Quickest N/A 355 Holden street car

higgins Drag, Holden

Peter’s naturally aspirated 355ci stroker V8 Holden powered Torana runs into the 9.1-second zone at Calder Park. The Torana uses Higgins CNC Yella Terra Dash-9 cylinder heads.