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Speedway Super Siper Tire Siping Tool, Tire Cutting Tool
Speedway Super Siper Tire Siping Tool, Tire Cutting Tool

Speedway Super Siper Tire Siping Tool, Tire Cutting Tool

Dirt Late Model, Legends, Midget, Mini Sprint, Modified, Quarter Midget, Sprint Car, Stock Car

7 Reviews | 5 Answered Questions
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Lincoln, NE -
Phoenix, AZ -
Speedway Super Siper Tire Siping Tool, Tire Cutting Tool
Speedway Super Siper Tire Siping Tool, Tire Cutting Tool
Speedway Super Siper Tire Siping Tool, Tire Cutting Tool
Speedway Super Siper Tire Siping Tool, Tire Cutting Tool
Speedway Super Siper Tire Siping Tool, Tire Cutting Tool
Speedway Super Siper Tire Siping Tool, Tire Cutting Tool
Speedway Super Siper Tire Siping Tool, Tire Cutting Tool
Speedway Super Siper Tire Siping Tool, Tire Cutting Tool
Speedway Super Siper Tire Siping Tool, Tire Cutting Tool
Speedway Super Siper Tire Siping Tool, Tire Cutting Tool
Speedway Super Siper Tire Siping Tool, Tire Cutting Tool
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Speedway Super Siper Tire Siping Tool, Tire Cutting Tool
Speedway Super Siper Tire Siping Tool, Tire Cutting Tool
Speedway Super Siper Tire Siping Tool, Tire Cutting Tool
Speedway Super Siper Tire Siping Tool, Tire Cutting Tool
Speedway Super Siper Tire Siping Tool, Tire Cutting Tool
Speedway Super Siper Tire Siping Tool, Tire Cutting Tool
Speedway Super Siper Tire Siping Tool, Tire Cutting Tool
Speedway Super Siper Tire Siping Tool, Tire Cutting Tool
Speedway Super Siper Tire Siping Tool, Tire Cutting Tool
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Part # 91082060
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  • Unique design is easy to use
  • Uses up to six common utility knife blades
  • Billet aluminum handle with curved plastic base
  • Adjustable cutting depth
  • No power source required

Details

MFG. Part #:
91082060
Sold in Quantity:
Each

Info

  • Perfect for siping tires used in motorsports
  • Two handle design aids in cutting stability
  • No power source required or cords to manage
  • Tough billet aluminum body construction with nylon base
  • Uses easy to find standard utility knife blades sourced locally
  • Cuts up to six sipes with each pass of the tool
  • Depth of cut adjustable by loosening thumb screws and setting to desired depth

Maximize Your Tire’s Traction by Adding Grooves and Sipes

If you race on dirt you know that track conditions change throughout race day and many will ask how to increase traction on tires. From a high grip surface that can be wet and slinging mud to a shiny black or even hard and dusty surface as the laps pile up and the sun goes down, tire traction can change dramatically. While there are different tire compounds you can choose from to aid in traction depending upon the track’s bite, one thing many experienced racers do is modify their dirt tires by adding grooves and sipes to the tread blocks. What is tire siping and grooving? Well, grooving is just that, cutting grooves in the tread where you are removing rubber, while siping is where you make a thin cut (like a razor blade) but no material is removed. These cuts can be made in various widths and directions to enhance traction and get the tire up to temperature faster but can also be used to increase a tire’s longevity by helping it run cooler too. It is all in how the tire is cut. Learning how to cut a tire with a tire groover and sipe your own tires is a bit of a black art, but a good racer will keep a logbook of modifications and can reflect on past track conditions to see what size groove and angle worked best previously. The same goes for tire siping. Often you can lean on a fellow racer for grooving and DIY tire siping advice or reach out to the tire manufacturer for suggestions on how its tire products react to certain grooving and siping cuts. Regrooving tires that have been sanded down and brought back to life is one way to save some money in your race budget too versus buying new rubber for your race car.

Built Tough to Handle Any Tire

Siping tires on your dirt racer takes some effort, but our Super Siper tire siping tool is built to take it. We start off with an ergonomic billet aluminum body for strength and attach a secondary grip point to the body that can take the pressure of cold-siping your racing tires. Then we finish it off with a curved nylon base that allows smooth movement across the tire’s contact patch. The Super Siper tool utilizes easy to source common utility knife blades for cutting sipes in your dirt track racing tires tread blocks.

Siping Your Tires Could not be Easier

Our Super Siper tire siping tool is unique in how you can set up the cutting blades. You can install a maximum of six blades, which are spaced .140-inches apart in groups of three with a 5/8-inch gap between the two blade groups. If you remove the center blade from each group, the spacing becomes .280 inches. Depth is controlled by a pair of thumb screws for quick and easy depth adjustments. Generally, you will want your sipes to be 1/8-inch to 3/16-inch in depth and no more than 1/2 the depth of the tread block. However, our Super Siper (depending upon the blade you use) can cut even deeper, which is great for off-road mud tires or winter truck tire use! Most racers will find having more sipes on the front tires and less on the rear is the best combination. Sipe spacing is also determined by the size cutting blades used, with the further apart the sipes the cooler the tire will run.

Make the Move and Start Improving Your Tire’s Traction Today

While siping your tires takes some trial and error and an ability to read a track surface, in the end, tire siping dirt track racing tires with additional sipes is just another tool in a racer’s toolbox of tricks and tips to help them get to the front of the pack and stay there until the checkered flag drops. It does not matter if you are racing a Late Model or Sprint Car, doing some competitive rock crawling, rally racing, or even mud drags, modifying your tires with our Super Siper tire siper is sure to benefit your racing program by providing the ideal tire, making your tires grip the surface better and put just the right amount of heat into them.

Application

 Sanctioning bodies that allow tire grooving/siping (in specific classes) include IMCA, Wissota, USRA, USMTS, UMP

Notes

 Tire Grooving Tips

  • Sanding the mold nubs off the tread before grooving or siping is suggested if the nubs are large; a tire grinder with a 60-grit sanding pad works well for this
  • Most tires are easier to groove or sipe with the tire mounted and inflated to normal pressures; this is especially true with thin wall racing tires
  • Complex tread designs can be marked out with a tire marking paint pen or paint stick

Circle Track specific Grooving and Siping Tips

Tire Grooving

  • Grooves around the circumference of the tire will add side bite and help cool the tire
  • Grooves across the tread will add forward bite and help warm up the tire
  • Rear tire grooves and sipes across the tread typically work best when straight across the tread (90 degrees to the circumferential grooves)
  • Front tire grooves and sipes across the tread typically work better at a slight angle and when viewed from the top of the right front tire the grooves will angle from right front to left rear

Tire Siping

  • Sipes have a similar effect as grooves and are primarily used to warm up the tire
  • Sipes around the circumference do not provide much if any cooling effect since they are not open for air to flow through like grooves are
  • 1/8-inch to 3/16-inch sipe depth works well for most tires.
  • Adding more sipes which are closer together will increase the tire temperature and will add grip as long as the tire is not overheated
  • If a tire is overheated and blisters the sipes need to be spaced further apart and possibly a shallower depth of cut should be used
  • More sipes are typically used on front tires to help them heat up and less sipes on rear tires, especially the right rear

Warranties

 1 Year

Important Messages

  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Some parts are not legal for use in California or other states with similar laws/regulations

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Reviews

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Videos & Articles
  • Many sanctioning bodies now require mud covers to be bolted to the wheel and the mounting tabs to be integral or welded to the wheel. This article explains how to properly bolt on mud covers and the tools required to do so.
  • Read some tips on how to properly set relief valves.
  • Grooving tires increases traction or grip. Find out more about the do's and don'ts when it comes to grooving.

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