Twintune Performance Center

Twintune Performance Center Harley Davidson Performance & Dyno Tuning Performance engines
Dyno tuning,
Servicing and repairs

After breaking a transmission Jared decided to fit a heavy duty unit using Simon Motorports products plus all the additi...
29/06/2026

After breaking a transmission Jared decided to fit a heavy duty unit using Simon Motorports products plus all the additional modifications we do for added strength and also got a tuneup while it was here

Our Heavy duty transmissions for Gen 2 Harleys are now available with all the Simon Motorsports goodies including our b...
14/06/2026

Our Heavy duty transmissions for Gen 2 Harleys are now available with all the Simon Motorsports goodies including our back cut and treated shafts and gears fitted and ready to send out, this one going to the guys at Geelong Harley we’re very grateful to have their continued support

Out with the old and in with the new, Rod’s 140 hp Lowrider in getting a top of the range transmission upgrade, back cut...
27/11/2025

Out with the old and in with the new, Rod’s 140 hp Lowrider in getting a top of the range transmission upgrade, back cut, cryo treated, shot peened and equipped with Simon Motorsports products these units don’t fail where the stock transmission did under that amount of power

We’re getting ready for summer with good stock of all Simon Motorsports race proven products and brand new transmissions...
21/11/2025

We’re getting ready for summer with good stock of all Simon Motorsports race proven products and brand new transmissions also with the billet support plates now available in 3 choices machine finish, polished or black powdercoat and a range of different level transmissions to suit any build

Out with the old broken transmission and in with a new TT unit with Simon Motorsports products, back cut shot peened and...
30/09/2025

Out with the old broken transmission and in with a new TT unit with Simon Motorsports products, back cut shot peened and cryo treated now available with gloss black support plate

These motors are in the shop for 128 upgrades all three of these had damaged cranks and have all been upgraded to S&S u...
16/09/2025

These motors are in the shop for 128 upgrades all three of these had damaged cranks and have all been upgraded to S&S units

Simon Motorports products in stock and transmissions ready to go for M8 and Twin Cam
29/08/2025

Simon Motorports products in stock and transmissions ready to go for M8 and Twin Cam

Jessie’s 150hp Breakout getting one of our strongest transmissions fitted up… cryo treated, shot peened, back cut, Simon...
28/08/2025

Jessie’s 150hp Breakout getting one of our strongest transmissions fitted up… cryo treated, shot peened, back cut, Simon motorsports billet drum and support plate

Richie’s beast in the shop having an upgraded transmission back cut with Simon motorsports billet shift drum fitted to h...
06/08/2025

Richie’s beast in the shop having an upgraded transmission back cut with Simon motorsports billet shift drum fitted to handle the grunt of this 150 hp Roadglide

TT Heavy hitter going out to polished billet support plate cryo treated and shot peened back cut with billet full engag...
04/04/2025

TT Heavy hitter going out to polished billet support plate cryo treated and shot peened back cut with billet full engagement shift drum this is a tough transmission

Address

4/10 Essex Street
Minto Heights, NSW
2560

Opening Hours

Monday 9am - 6pm
Tuesday 9am - 6pm
Wednesday 10am - 7pm
Thursday 9am - 6pm
Friday 9am - 5pm
Saturday 9am - 2pm

Telephone

+61281197819

Website

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