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.
Nice feature on Quentin’s 7-second Torana which features our CNC ported GM LS heads.
Great to see Harrop has released a supercharger kit for the Holden V8. This engine made great power on pump fuel and utilizes our CNC ported cast iron EFI heads.
We have a few new products on the go for 2018! LSA supercharger manifold porting now available. Different options available. Call for pricing.
NA v Supercharged at Harrop Performance Centre. Great to support a professional outfit like Harrop. There is an age-old argument about which is better NA or Supercharged, while we don’t want to try and solve it, we take a look at the different characteristics of two LS3 cars that took a different path to enhanced performance.
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.
Three different engines, three different tuners…another SBF making over 860hp on pump fuel using our HRD Ford cylinder heads.
Harrop LSA Stage 5 delivers ultimate performance to Gen-F/F2 HSV owners through the addition of Higgins CNC ported cylinder heads to the popular Stage 4 package, here they take a look at the performance increase on a near new HSV GTS.
8-second turbo wagon cracking out huge power on the dyno. This engine features Higgins 6-bolt heads.
Well done to Tim who set a new personal best at Calder Park over the weekend. The LSX features HRD LS7 CNC ported 6-bolt heads, HRD spec camshaft and new to market HRD valve covers.
- Page 1 of 2