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Harrop Engineering is proud to announce the launch of a comprehensive program involving the design and procurement of our own range of USA billet based camshafts and valve-train components.

The new camshaft range is a Harrop Engineering exclusive, utilising the experience gained during 60+ years of involvement at the leading edge of automotive performance upgrades, with grind designs specific to the LS range of engines as fitted to many VT to VF model Commodore and HSV models.

If you have a naturally aspirated, manual vehicle and you are after maximum performance gains then the Harrop H03 is for you. This camshaft has aggressive idle characteristics with the performance to match, it is perfectly coupled with a higher diff ratio, manual transmission and our Harrop Carbon Series 3" exhaust system and 4-1 headers. This is the largest camshaft we recommend for LS1 applications and if you have an automatic transmission you will need to upgrade the torque converter to maintain driveability.

Vehicle Applications: Holden Commodore VT-VF models including H.S.V. variants fitted with LS series engines.

H03 Camshaft Specs: 232°/233°- 0.609”/0.602” - 112°