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Our team at Thunder Tech thrive on the challenge of enhancing your motorcycle to exceed your expectations. From air cleaners and exhaust upgrades through to 150 horsepower crate motors, we cater for all levels of performance. Read on to find out more about the highly popular S&S Stage 6 Kit upgrade.

Do you want more horses?

Our highly popular S&S Stage 6 Kit upgrade get’s you close to the ultimate performance upgrade for your Harley Davidson 96CI or 103CI engine.

 This kit will provide great, reliable torque & horse-power through the rev range.


  • The Stage 6 Power Kit includes the revolutionary S&S Easy Start Cams, making your high performance engine a breeze to start.
  • The S&S cams are built for power, with an irn pressive 0.635″ lift.
  • The S&S Super Stock heads supplied are intended for larger displacement, high horsepower engines.
  • The Heads include high lift valve springs & oversize valves.
  • The S&S Big Bore cylinder kit is direct bolt-on, Proven Performance with Proven Technology.

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Contact Us

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17 Wandeara Crescent Mundaring WA


Open: Mon/Fri 8am–5pm, Sat and Sun Closed
08 9295 3952

Thundertech Mundaring

Phone: 08 9295 3952
Fax: 08 9295 3953
17 Wandeara Cr, Mundaring WA 6073