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Showing 1 - 20 of 20 products
Showing 1 - 20 of 20 products

Building on the same platform of our previous generation Pro Series Rotor, the Spidertrax Ultimate Rotor delivers many of the competition proven benefits our brake rotors are known for, but at a fraction of the price. We start with domestic grade laser cut mild steel plate, then CNC all Ultimate Rotors using our unique slot pattern optimized for achieving excellent pad wear. All of this while boasting a massive 14" (355.6mm) diameter, the key for superior Ultra4 stopping power at both high and low speeds. If you're an Ultra4 racer who likes to go fast, but needs to watch that budget while doing so, the Ultimate Rotor is for you.

This Ultimate Rotor is designed to work with Spidertrax 5½" (139.7mm) BC Hats. Rotor measures 3/8" (9.5mm) thick. To clear the diameter of this rotor, a 17"+ (431.8mm) wheel is required. Brake Hat mounting hardware included.

Building on the same platform of our previous generation Pro Series Rotor, the Spidertrax Ultimate Rotor delivers many of the competition proven benefits our brake rotors are known for, but at a fraction of the price. We start with domestic grade laser cut mild steel plate, then CNC all Ultimate Rotors using our unique slot pattern optimized for achieving excellent pad wear. All of this while boasting a massive 14" (355.6mm) diameter, the key for superior Ultra4 stopping power at both high and low speeds. If you're an Ultra4 racer who likes to go fast, but needs to watch that budget while doing so, the Ultimate Rotor is for you.

This Ultimate Rotor is designed to work with Spidertrax 6½" (152.4mm) BC Hats. Rotor measures 3/8" (9.5mm) thick. To clear the diameter of this rotor, a 17"+ (431.8mm) wheel is required. Brake Hat mounting hardware included.

Manufactured from billet 6061T6 aluminum, the Spidertrax Aluminum Hat packs incredible strength at an impressive weight of under 2 lbs (0.91kg). Designed specifically for rock racers, you'll no longer have to retro fit other manufacturers' hats to work with your bolt pattern. All hats are anodized in dark blue, using an anodizing process for double corrosion resistance.

Please note this brake hat is designed exclusively for Spidertrax Rotors and Ultimate Unit Bearings with 5 or 6 lug 5½" (139.7mm) bolt circle (BC) patterns. If you need a brake hat for a 1 Ton (907kg) Unit Bearing (older style), please call and we'll be happy to assist.

Manufactured from billet 6061T6 aluminium, the Spidertrax Aluminium Hat packs incredible strength at an impressive weight of under 2 lbs (0.91kg). Designed specifically for rock racers, you'll no longer have to retro fit other manufacturers' hats to work with your bolt pattern. All hats are anodised in dark blue, using an anodising process for double corrosion resistance.

Please note this brake hat is designed exclusively for Spidertrax Rotors and Ultimate Unit Bearings with 8 or 6 lug 6½" (165.1mm) bolt circle (BC) patterns.

Spidertrax weld-on caliper mounts make it easy to install 14" (355.6mm) diameter high performance rock series brakes on Spidertrax Knuckles. These CNC machined mounts are designed to work with the Spidertrax Ultimate Knuckles and Wilwood calipers.

Spidertrax Double Shear Rear Caliper Brackets make it easy to install 14" (355.6mm) diameter high-performance calipers & rotors on your Spider 9 rear axle. The lower caliper bolts are upgraded to 7/16" (11.1mm) diameter using a double shear design, and side gussets connecting both caliper brackets adds rigidity for preventing caliper deflection. All in all, this new setup provides the strength needed for running more aggressive brake pads and the durability needed for running longer off-road races.

Inspired with Ultra4 racing in mind, the all new Wilwood DynaPro DP6A 6 piston bridged caliper marks the next level in off-road braking performance. This newest model in the DynaPro series features a reinforced triple bridge construction, with five high strength steel bridge bolts, making it the strongest and stiffest DP6 caliper ever built.

DP6A calipers offer the performance advantages of a larger pad and a six piston differential bore configuration, with complete bolt-on interchange ability to the four piston 5.25" (133.4mm) lug mount Dynalite caliper series.

This Wilwood 6 Piston Caliper is designed to be used on the right side of your vehicle (UK Driver's side) running Spidertrax 3/8" (9.5mm) Ultimate or Pro Series Rotors.

Type E Polymatrix pads are highly recommended for superior off-road braking performance. Designed for use in Wilwood 6 piston Dynapro calipers. 

The Wilwood Forged Dynalite serves as the base model in our Ultra4 performance large diameter brake setups. Forged Dynalites are the strongest calipers in the class, with weights lower than the competition. The process of stress-flow forging re-aligns the metal's grain structure within the contour of the caliper body. This process eliminates the breaks and interruptions to the internal grain structure that occur when machining a straight block billet.

Forged Dynalite calipers are a direct replacement for all Wilwood Dynalite and similar competitive brand calipers with 5.25" (133.4mm) centred mounting lugs.

Please note product may vary in colour from photo.

Type E Polymatrix pads are highly recommended for superior off-road braking performance. Designed for use in Wilwood 4 piston Dynalite calipers.

Wilwood GT-36 14" (355.6mm) diameter straight vane rotors are built for the extreme conditions of professional motorsports. The superior heat absorption and dissipation characteristics of these heavy wall directional vane rotors are the keys to preventing heat fade and realising long service life from the rotors and pads. All rotors are cast from premium grade, long grain carbon iron for long wear, thermal stability, and resistance to distortion. Every GT-36 rotor is fully detail machined to eliminate stress points and unnecessary weight away from the pad sweep face. The faces and O.D. are precision turned to less than .001" for flatness, parallelism, and run-out. An asymmetrical face slot pattern provides smoother engagement through reduced harmonics and improved thermal balance between the I.D. and O.D. of the rotor. Every rotor is then individually dynamic balanced to provide vibration free performance at any speed. These rotors provide the highest cooling capacity and longest service life for extreme braking short tracks and multi-hour desert races (think Ultra4 Nationals and the Fallon 250).

To clear the diameter of this rotor, a 17"+ (431.8mm) wheel is required. Brake Hat mounting hardware sold separately.

Additional Rotor Dimensions
Rotor Width (in): .81 (20.6mm)
Rotor Diameter (in): 14 (355.6mm)
Rotor Bolt Circle (in): 12 x 8.75 (222.3mm)

These Wilwood GT-36 straight vane rotors are built for the extreme conditions of professional motorsports, with a bit more clearance in mind. At 13½" (342.9mm) diameter, they provide additional clearance between the wheel and caliper while still retaining full pad contact. This extra bit of clearance can go a long way in Ultra4 racing, especially in IFS setups with an already tight wheel package.

Everything else about this modified Wilwood GT rotor holds true to the original. The superior heat absorption and dissipation characteristics of these heavy wall directional vane rotors are the keys to preventing heat fade and realizing long service life from the rotors and pads. All rotors are cast from premium grade, long grain carbon iron for long wear, thermal stability, and resistance to distortion. Every GT-36 rotor is fully detail machined to eliminate stress points and unnecessary weight away from the pad sweep face. The faces and O.D. are precision turned to less than .001" for flatness, parallelism, and run-out. An asymmetrical face slot pattern provides smoother engagement through reduced harmonics and improved thermal balance between the I.D. and O.D. of the rotor. Every rotor is then individually dynamic balanced to provide vibration free performance at any speed. These rotors provide the highest cooling capacity and longest service life for extreme braking short tracks and multi-hour desert races (think Ultra4 Nationals and the Fallon 250).

To clear the diameter of this rotor, a 17"+ (431.8mm) wheel is required. Brake Hat mounting hardware sold separately.

Additional Rotor Dimensions
Rotor Width (in): .81 (20.6mm)
Rotor OD (in): 13.5 (342.9mm)
Rotor ID (in): 9.5 (243.8mm)
Rotor Bolt Circle (in): 12 x 8.75 (222.3mm)

Manufactured from billet 6061T6 aluminium, the Spidertrax Aluminium Hat packs incredible strength at an impressive weight of under 2 lbs (0.9kg). Designed specifically for rock racers, you'll no longer have to retro fit other manufacturers' hats to work with your bolt pattern. All hats are anodised in blue, using an anodising process for double corrosion resistance.

Please note this brake hat is designed specifically for Wilwood GT 36 Straight Vane Rotors and Ultimate Unit Bearings with 5 or 6 lug 5½" (139.7mm) bolt circle (BC) patterns.

Manufactured from billet 6061T6 aluminium, the Spidertrax Aluminium Hat packs incredible strength at an impressive weight of under 2 lbs (0.9kg). Designed specifically for rock racers, you'll no longer have to retro fit other manufacturers' hats to work with your bolt pattern. All hats are anodised in blue, using an anodising process for double corrosion resistance.

Please note this brake hat is designed specifically for Wilwood GT 36 Straight Vane Rotors and Ultimate Unit Bearings with 8 or 6 lug 6½" (165.1mm) bolt circle (BC) patterns.

Spidertrax weld-on caliper mounts make it easy to install 13½" (342.9mm) diameter vented rotors on Spidertrax Knuckles. These CNC machined mounts are designed to work with the Spidertrax Ultimate Knuckles and Wilwood calipers.

Spidertrax Double Shear Rear Caliper Brackets make it easy to install 13½" (342.9mm) diameter high-performance calipers & rotors on your Spider 9 rear axle. The lower caliper bolts are upgraded to 7/16" (11.1mm) diameter using a double shear design, and side gussets connecting both caliper brackets adds rigidity for preventing caliper deflection. All in all, this new setup provides the strength needed for running more aggressive brake pads and the durability needed for running longer off-road races.

Inspired with Ultra4 racing in mind, the all new Wilwood DynaPro DP6A 6 piston bridged caliper marks the next level in off-road braking performance. This newest model in the DynaPro series features a reinforced triple bridge construction, with five high strength steel bridge bolts, making it the strongest and stiffest DP6 caliper ever built.

DP6A calipers offer the performance advantages of a larger pad and a six piston differential bore configuration, with complete bolt-on interchange ability to the four piston 5.25" (133.4mm) lug mount Dynalite caliper series.

This Wilwood 6 Piston Caliper is designed to be used on the right side of your vehicle (UK driver's side) running Wilwood GT .81 (20.6mm) Width Vented Rotors.

Inspired with Ultra4 racing in mind, the all new Wilwood DynaPro DP6A 6 piston bridged caliper marks the next level in off-road braking performance. This newest model in the DynaPro series features a reinforced triple bridge construction, with five high strength steel bridge bolts, making it the strongest and stiffest DP6 caliper ever built.

DP6A calipers offer the performance advantages of a larger pad and a six piston differential bore configuration, with complete bolt-on interchange ability to the four piston 5.25" (133.4mm) lug mount Dynalite caliper series.

This Wilwood 6 Piston Caliper is designed to be used on the left side of your vehicle (UK passenger's side) running Wilwood GT .81 (20.6mm) Width Vented Rotors.

Wilwood Rotor Bolt Kits are designed specifically for keeping your new vented rotor right where it belongs, securely attached to your Spidertrax Brake Hat. These stainless steel bolts are shouldered specifically for GT Vented Rotors, and are cross drilled for safety wire. Sold in packs of 12 (enough for one rotor).