New products
Polini Contessa "Sport Kit" Zuma
$ 181.99
Polini 70cc Cast Iron Cylinder Kit "Sport" Zuma, a very durable high-performance cast iron cylinder for everyday use. This kit is known for its impressive top speed considering the category...
Stage6 Streetrace 70cc Prebug
$ 179.99
Finally the Vertical Minarelli Stage6 Streetrace back in production!!! Stage6 70cc Cast Iron Cylinder Kit "StreetRace" for Minarelli vertical. For this particular version, Stage6 got together with the MXS Racing specialists...
Polini Contessa For Yamaha Zuma '89-'01
$ 179.99
The contessa is a killer sport 70cc bore for the zuma minarelli vertical. Polini's classic 2 ring design, built to last. When you recieve this kit, it's clear that your...
Stage6 Streetrace 70cc Piaggio
$ 179.99
Stage6 70cc Streetrace cylinder for piaggio air cooled scooters like the Piaggio Typhoon, and Vespa ET2. This cylinder is great all around, the durable cast iron cylinder is great for...
Malossi Big Bore Kit Vertical ZUMA 89-01
$ 174.99
Straight out of Malossi's Italian workshop. The malossi cast kit is a tried and true reliable sport kit, that will last a long time, and provide that low end grunt...
Malossi piaggio 70cc cylinder
$ 169.99
IF you have an air cooled piaggio, zip, vespa ET2 or typhoon, this is a great option for a huge power upgrade. This guy comes with everything needed to bump...
Honda DAX 145cc big bore kit
$ 169.99
Honda DAX 125 -> 145 big bore kit, normal compression, we recommend this yuminashi kit in conjunction with the camshaft, and larger injector linked below. Camshaft Injector
Honda DAX high performance camshaft
$ 165.99
Yuminashi High performance camshaft for the DAX125. This cam works well with the stock 125cc motor, or with the 145cc big bore kit. We advise getting your ECU tuned with...
Honda NAVi Yuminashi Camshaft
$ 164.99
Yuminashi High Lift camshaft for the Honda Navi, this cam is designed for maximum horsepower, while retaining the stock decompression system to allow better starting with big bore setups! This...
Engine pressure test kit
$ 163.99
SSS is excited to release our new locally made pressure test kits. These kits come with enough to do anything from a stock intake manifold, to a 38mm pwk. This...
NCY Zuma 70cc Cylinder Kit
$ 153.99
Looking for a good 70cc kit that won't break the bank? Look no further than NCY's cast sport cylinder kit for Zuma horizontal. At this price its pretty hard to...
honda xr150 222cc big bore kit
$ 149.00
We finally have our BIG BOY 222cc kits in! This is the kit that put down nearly 17whp, up from 8whp on the dyno., HUGE torque gains, no machine work....
NCY 171cc Big Bore Kit For GY6
$ 144.99
Another win by NCY. bolt on, gy6 150 kits to take your GY6 to 171cc. There is no case cutting required. As always jetting will be required for additional fuel. ...
NCY Elite / DIO 82cc 50mm Cylinder Kit
$ 140.99
Looking for a little more cc, for a budget price? NCY offers a reasonable solution with included gaskets, head, and everything else to do the install. This kit also includes...
Stage6 Streetrace 50cc sport kit
$ 139.99
50cc sport kits for the vertical minarelli (prebug zuma 1989-2001) are now available, these are great for the guys looking for a slight bump in power, and don't want to...
Kitaco Camshaft - Honda Grom / Monkey
$ 109.99
Kitaco Stage 1 Camshaft for the 2013-2020 Honda grom and monkey 125. Works great on stock bore or big bore bikes! You will notice a Horsepower and torque bump making...
Trailtech Temp Gauge
$ 81.99
These gauges are a MUST for tuning your bike. Knowing your temp of your bike is absolutely necessary for tuning, and keeping your bike from seizing. This 14mm fits DIO and...
XR150L S23 Racing Camshaft
$ 79.99
Finally our XR150 Camshafts are in stock and ready to ship! These work great on an OEM machine, and even better with our big bore kit! BIG BORE KIT HERE
Zuma / Jog / Vino Big bore kit 70cc
$ 79.99
BUDGET oriented big bore kit for Minarelli horizontal air cooled scoots. Unbeatable quality and performance for the price. Includes Clips, gaskets, and everything needed for install! Don't forget PROCURE
Malossi Aero Cylinder Head
$ 69.99
If you just bought a 72cc malossi kit for your honda se50, pre-94 elite, and honda aero, here is the matching head. Complete with O-ring, new bolts, and washers. A...
Honda Elite / Dio 72cc kit
$ 69.99
BUDGET 72cc kit for your elite / dio, includes head, and everything needed for install! Piston size = Ø47 Pin size = Ø12 Don't forget PROCURE
Malossi 10mm pin 70cc replacement piston
$ 66.99
Here's a 47mm 70cc replacement piston for your malossi sport kits for 89-11 zuma, aero, 87-93 elite!
Malossi 72cc Cast Replacement Piston for Honda AF16 / AF18
$ 64.99
Need a new piston/ring setup on your tired 72cc malossi cast kit? Give your old cylinder a hone, install new rings, piston, circlips, and wrist pin, and your back on...
Elite / Dio cylinder kit 75cc/49cc
$ 62.99
Here's a good solution for the guys trying to stay within a budget. Super simple, easy to install kit that offers good torque and power gains. No head is needed...