Main Super Nitro RS4 Rally Page | Manual | Spec Sheet | Parts List | Building Tips | Racing Tips | Updates | Nitro FAQ
 |
For
racing, our #72175 High Performance Air Filter is ideal |
 |
Our
#1634 Carburetor provides a wider carb opening for increased airflow,
meaning faster acceleration and top speeds! |
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The
#72215 Gear Diff Adjustment Spring Set lets you fine-tune your differentials |
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Slow
down fast with the #A844 Fiber Brake Disk! It resists brake fade
and is perfect for racing |
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Our
adjustable #A885 Nitro Racing Clutch features a coil spring and
special compound to resist melting and smooth acceleration |
 |
Use
the #72230 Slipper Clutch Set to increase the durability of your
drivetrain |
Excel Parts List for all HPI kits
This is a cross-referenced parts list for every HPI product that is currently sold.
Download the newest version here
HTML version of the Kit Parts Cross Reference (to see the list in your browser)
Microsoft Excel file viewer (if you don't have Excel on your computer)
| Part | # | Description | US Suggested Retail Price |
| 914 | 1 | Nitro Start-Up
Set (120v) This Nitro Start-Up Set include HPI 20% Power Fuel, HPI Nitro Car Cleaner, a conveniently sized 250cc fuel bottle, rechargeable glow plug igniter with overnight wall charger, 4-way glow plug wrench, plus a spare glow plug and washer for a low price, all in one convenient package. |
$62.00 |
| 1634 | 1 | Carburetor (SS) (Complete)
Rotary carb, two needle adjustments, 5.5mm carb! Fits the 15FE and 12E engines. |
53.00 |
| 1666 | 1 | Carburetor (SS) (Complete)
Two needle adjustments, large bore carb, perfect for sportsman Nitro racers! Black case. |
53.00 |
| 1687 | 1 | Carburetor (SC) (Complete)
Two needle adjustments, large bore carb, perfect for sportsman Nitro racers! Fits the 15FE and 12E engine cases. For instructions how to install this, click here |
55.00 |
| 1703 | 1 | Heat Sink Head
for Nitro Star 15 (Purple) All hardware included to make conversion. Lets engine run cooler longer. Purple anodizing matches purple chassis perfectly! Fits Nitro Star 15FE engines. |
45.00 |
| 2012 | 1 |
Hump Battery Pack for Receiver (6v 1200mAh/Ni-MH) | 32.00 |
| 6273 | 1 | Foam Spacer
for Foam Bumper (8pcs) Eight self-sticking foam spacers to custom-fit your foam bumper to the body you use. Keeps the body in the correct shape at high speeds. Click here to see an example of the spacers on a car. Click here to see an example of the spacers fitted under a body. |
4.00 |
| 6823 | 5 | Silicone O-Ring
4.5mm x 6.6mm (5 pcs) Seals the connection of the gear diff and diff driveshaft/outdrive. Used only for gear diffs. |
2.00 |
| 9043 | 4 | Quick Tire Holders (Gray) The easy and convenient way to organize your tires! Holds 4 touring car/Super/Mini tires or two truck/rear buggy tires. Spring-loaded retainers make it easy to attach tires and don't damage the axle holes. Tags let you record tire compound and insert type. 4 Quick Tire Holders included in each package. |
5.00 |
| 9044 | 4 | Quick Tire Holders (Purple) See above for details |
5.00 |
| 9045 | 4 | Quick Tire Holders (Red) See above for details |
5.00 |
| 9046 | 4 | Quick Tire Holders (Blue) See above for details |
5.00 |
| 9047 | 4 | Quick Tire Holders (Yellow) See above for details |
5.00 |
| 9062 | 1 | HPI Nitro
Car Cleaner Degrease your car or truck, and blast dirt and gunk off parts. Leaves no residue and evaporates quickly. Also useful for cleaning electric motors. |
6.00 |
| 9067 | 1 | HPI Fuel Bottle
Marked in 100 milliliter increments, holds .5 liters of fuel. Purple anodized fueling tip with rubber stopper and o-ring to seal leaks. Has the HPI Oval logo molded into it! |
15.00 |
| 9072 | 1 | Receiver Protector Small
(Orange) Fits all mini or micro-size receivers. Includes velcro tape for easy attachment and removal. Have an HPI sticker on them, and a dimple that can be cut out for an antenna hole. Protects against fuel spills, water and dirt. 42mm x 27mm x 23mm high, or 1" x 1.6" x 1.8" high |
5.00 |
| 9073 | 1 | Receiver Protector Small
(Black) See above for details |
5.00 |
| 9074 | 1 | Receiver Protector Small
(Purple) See above for details |
5.00 |
| 9075 | 1 | Receiver Protector Large
(Orange) Fits all standard-size receiver. Includes velcro tape for easy attachment and removal. Have an HPI sticker on them, and a dimple that can be cut out for an antenna hole. Protects against fuel spills, water and dirt. 45mm x 30mm x 30mm high, or 1.75" x 1.25" x 1.25" high |
5.00 |
| 9076 | 1 | Receiver Protector Large
(Black) See above for details |
5.00 |
| 9077 | 1 | Receiver Protector Large
(Purple) See above for details |
5.00 |
| 9084 | 1 | HPI Curved
Scissors Cuts through R/C polycarbonate bodies easily, and is curved for extra convenience. |
12.00 |
| 72016 | 1 |
Stainless Steel Hinge Pin Set (Super Nitro RS4) Provides smoother suspension action than stock screw pins, and are much more durable. |
17.00 |
| 72040 | 2 | Aluminum Rear Hub 1.5 Degree
Provides more steering for all RS4 series cars than stock 2 degree hubs. AVAILABLE EXCLUSIVELY AT BUY HPI! |
35.00 |
| 72041 | 2 | Aluminum Rear Hub 2 Degree
Replaces stock 2 degree uprights with stronger aluminum parts. Features an extra tuning hole for the outer camber link location.) AVAILABLE EXCLUSIVELY AT BUY HPI! |
35.00 |
| 72063 | 6 | Cone Washer 3.0mm/4-40 Aluminum (Purple / 6 pcs) Brighten up the look of your car with these great-looking cone washers! Although meant for use with flat head screws, you can use these as spacers under button head screws also. | 5.00 |
| 72082 | 1 | Universal
Dogbone (Center Front / Nitro RS4 MT) More durable and efficient than stock center dogbone. |
20.00 |
| 72083 | 1 | Universal
Dogbone (Center Rear / Nitro RS4 MT) More durable and efficient than stock center dogbone. |
20.00 |
| 72094 | 1 | Titanium Turnbuckle Set (Purple / RS4 MT / Nitro RS4 MT) Allows easy adjustment of camber and front toe settings with the included wrench. | 39.00 |
| 72110 | 2 | Silicone Exhaust
Coupling (Purple / 2 pcs) Two purple molded silicone exhaust couplings are included, plus four black nylon zip ties - use two zip ties per exhaust coupling to attach to header and tuned pipe. |
5.00 |
| 72111 | 1 | Shim Set 3
x 5mm Includes ten each of 0.1mm, 0.2mm and 0.3mm shims for fixing slop on 3mm hinge pins and shafts. |
6.00 |
| 72112 | 4 | Bladder 10
x 4mm (FIRM) These bladders are made of a stiffer type of silicon than the stock shock bladders, for quicker rebound after the shock is compressed. Used properly, these can increase traction on high-grip racing surfaces. One set of four. |
4.00 |
| 72171 | 1 | Stainless
Steel Hinge Pin Set with Rear Arm Brace (Nitro RS4 MT) Significantly strengthens the suspension of the Nitro MT. Includes a thick aluminum brace that attaches to the back end of the rear differential, it will help keep the rear end intact in bad crashes. |
16.00 |
| 72175 | 1 | High Performance
Air Cleaner High flow, super duty air cleaner for HPI engines. Will not fit the Nitro Star Pro engines. Bent and straight neck with zip ties included. |
16.00 |
| 72213 | 2 | Heavy Duty
Differential Shafts (2 pcs / Gear Diff) Designed to be stronger than the standard black differential shaft that are used in our gear differentials, these shafts are coated with a bright material for easy identification. The Nitro Rush is already equipped with Heavy Duty Diff Shafts stock. |
8.00 |
| 72215 | 1 | Gear Diff Adjustment
Spring Set (Medium, Firm, Stiff) Lightens drivetrain while improving your car's looks! Will not fit the Pro 3. |
8.00 |
| 72225 | 1 | Turnbuckle
Set (Super Nitro Rally) Steel turnbuckles prevent bending and include a full set of ball cups. |
15.00 |
| 72230 | 1 | Slipper
Clutch Set (Nitro MT / Super Nitro Rally) Provides extra protection to the drivetrain by allowing the gears to "give" or slip when landing off jumps. Adjustable from underneath the chassis. |
33.00 |
| 72422 | 1 | Aluminum Spring
Perch (Purple/4 pcs) Dress up your car with these lightweight replacement shock parts! |
16.00 |
| 72525 | 1 | Racing Fuel Tank Improved fuel tube routing with great looks! |
15.00 |
| 73017 | 1 | Graphite Upper
Deck (Nitro RS4 MT) Stiffens the chassis for more consistent suspension action. Includes aluminum hardware. |
42.00 |
| 74105 | 1 | Glow
Plug Igniter Set with AC Charger (120v) Rechargeable glow plug igniter with an overnight AC wall plug charger. |
22.00 |
| 74108 | 1 | Pro Glow Plug
Igniter Set with AC Charger (120v) Rechargeable glow plug igniter that features a charge meter with an overnight AC wall plug charger. |
35.00 |
| 74111 | 1 | 4-Way Glow
Plug Wrench (Small) Remove glow plugs easily, and store up to 3 on the wrench itself. A must for any Nitro car owner! |
6.00 |
| 74318 | 1 | HPI Power
Fuel 20% Nitro (1 quart) A custom-formulated 14% synthetic/castor oil blend for extra life and reliability for your car's engine. HPI Power Fuel is made especially for HPI Racing by Wildcat Fuels. |
10.00 |
| 74320 | 1 | HPI Power
Fuel 30% Nitro (1 quart) See above for details |
12.00 |
| 74348 | 1 | HPI Power
Fuel 20% Nitro (1 gallon) See above for details |
29.00 |
| 74350 | 1 | HPI Power
Fuel 30% Nitro (1 gallon) See above for details |
35.00 |
| 76813 | 1 | Spur Gear 43 Tooth (1M) (Adapter
Type / Nitro 2 Speed) Use only with #A882 Heavy Duty 1st Gear Adapter |
4.00 |
| 76814 | 1 | Spur Gear 44 Tooth (1M) (Adapter
Type / Nitro 2 Speed) Use only with #A882 Heavy Duty 1st Gear Adapter |
4.00 |
| 76816 | 1 | Spur Gear 46 Tooth (1M) (Adapter
Type / Nitro 2 Speed) Use only with #A882 Heavy Duty 1st Gear Adapter |
4.00 |
| 86163 | 1 |
Exhaust Header (Rear Exhaust Engine/U Shape/Long/Black) | 13.00 |
| 87120 | 1 |
HPI Roto
Start System Fits Super Nitro Rally with kit or aftermarket header. The HPI Roto Start system replaces the standard pullstarter with a durable metal gear backplate and a handheld shaft driven starter. Starting is as simple as pressing a button. Requires a 7.2v rechargeable "stick" battery pack and charger. Complete instructions included.Some disassembly of the engine is required. This Roto Start System fits only HPI Nitro Star .12 and .15 engines. Standard stick-type 7.2v battery and charger required. |
55.00 |
| 87121 | 1 |
Back Plate
Unit (gears, case and screws) for additional engines Extra Back Plate Unit allows you to use #87120 on multiple engines. |
18.00 |
| A301 | 8 | Heavy-Duty Ball Cups 4.3
x 13mm (8 pcs) Snaps on securely and won't pop off in the worst wrecks. Feature the HPI logo on the top side. |
4.00 |
| A302 | 8 | Heavy-Duty Ball Cups 4.3
x 18mm (8 pcs) See above for details |
4.00 |
| A303 | 8 | Heavy-Duty Ball Cups 4.3
x 23mm (8 pcs) See above for details |
4.00 |
| A311 | 8 | Rod End 4.8 x 10mm (8pcs) Replace worn shock ends and tune the length of your shocks. Fits #A137 pivot ball, #A138 short ball end, #A167 long ball end, #A783 short purple ball end and #A139 ball end that attaches with 3mm machine screw. |
4.00 |
| A312 | 8 | Rod End 4.8 x 12mm (8pcs) See above for details |
4.00 |
| A313 | 8 | Rod End 4.8 x 14mm (8pcs) See above for details |
4.00 |
| A316 | 8 | Rod End 5.8 x 12mm (8
pcs) Use different lengths for camber links, captured steering links, and other projects. These larger rod ends fit our #A132 pivot ball perfectly. |
4.00 |
| A317 | 8 | Rod End 5.8 x 15mm (8
pcs) See above for details |
4.00 |
| A318 | 8 | Rod End 5.8 x 18mm (8
pcs) See above for details |
4.00 |
| A442 | 1 | Spur Gear 37T for #A819 set, can use with all Nitro RS4 kits EXCEPT Super Nitro RS4. Use with #A826 clutchbell on large size tracks. Great for Nitro RS4 Mini. |
4.00 |
| A445 | 1 | Spur Gear 39T for #A818 set, can use with all Nitro RS4 kits EXCEPT Super Nitro RS4. Use with #A825 clutchbell on medium size tracks. |
4.00 |
| A447 | 1 | Spur Gear 41T stock second speed spur gear for #A910 Nitro RS4 2 Speed |
4.00 |
| A449 | 1 | Spur Gear 44T Stock first speed spur gear for #A910 Nitro RS4 2 Speed. If using #A882 HD 1st Gear Adapter, use #76814 44T spur gear. |
4.00 |
| A468 | 1 | Carbon
Graphite Suspension Arms (2 pairs/Super Nitro RS4) Stiffer and stronger than stock suspension arms. |
20.00 |
| A791 | 1 | 14/17 Clutch
Bell Purple aluminum joints for use with the #A253 Graphite Belt Tensioner on the Pro 2, Pro/Sport/Rally/Mini kits and Nitro kit graphite upper decks |
8.00 |
| A792 | 1 | 15/18 Clutch
Bell Purple aluminum joints for use with the #A253 Graphite Belt Tensioner on the Pro 2, Pro/Sport/Rally/Mini kits and Nitro kit graphite upper decks |
8.00 |
| A801 | 1 | Flywheel Machined aluminum flywheel. Use #A805 brass collet to mount onto engine. |
8.50 |
| A805 | 1 | Collet 7 x 5mm Brass collet and washer for mounting #A801. |
2.00 |
| A811 | 1 | 11 Tooth Clutch
Bell Lowers gearing more for more acceleration, for cars without 2 speed transmission) (Lowers gearing more for more acceleration, for cars without 2 speed transmission |
7.00 |
| A812 | 1 | 12 Tooth Clutch
Bell Lowers gearing for better acceleration, for cars without 2 speed transmission |
7.00 |
| A813 | 1 | 13 Tooth Clutch Bell Standard single speed clutch bell in all Nitro kits except Racer |
7.00 |
| A814 | 1 | 14T Clutch Bell Increases top end speed, for cars without 2 speed transmission |
7.00 |
| A815 | 1 | 15T Clutch Bell Increases top end speed more, for cars without 2 speed transmission |
7.00 |
| A818 | 1 | 2 Speed Second Gear Set (39/18
Tooth) Makes second gear final drive 4.68 for higher top end speed. Note: Not recommended for Super Nitro RS4! |
13.00 |
| A819 | 1 | 2 Speed Second Gear Set (37/20
Tooth) Makes second gear final drive 3.99 for insane top end speed! PERFECT for Nitro RS4 Mini racers! Note: Not recommended for stock engines or Super Nitro RS4! |
13.00 |
| A820 | 1 | Clutchbell 11/14T use with #A882 HD 1st Gear Adapter and one of these spur gear combinations: 76813/76816 or 76814/A447. Recommended for Super Nitro RS4 only on small tracks. |
12.00 |
| A821 | 1 | Clutchbell 12/15T use with #A882 HD 1st Gear Adapter and one of these spur gear combinations: 76813/76816 or 76814/A447. Recommended for Super Nitro RS4 only on small to medium size tracks. |
12.00 |
| A823 | 1 | Clutchbell 13/16T for #A910, stock Nitro 2 Speed clutchbell. For Super Nitro RS4, combine with #A882 HD 1st Gear Adapter and one of these spur gear combinations: 76813/76816 (medium to large size tracks) or 76814/A447 (large tracks). For ALL OTHER NITRO RS4: use with stock Nitro 2 Speed spur gears (44T and 41T) on small tracks. If using #A882 HD 1st Gear Adapter, use #76814 44T spur gear. |
10.00 |
| A825 | 1 | Clutchbell 13/18T for #A818 set, can use with all Nitro RS4 kits EXCEPT Super Nitro RS4. Use with 44T and 39T spur gears on medium size tracks. If using #A882 HD 1st Gear Adapter, use #76814 44T spur gear. |
10.00 |
| A826 | 1 | Clutchbell 13/20T for #A819 set, can use with all Nitro RS4 kits EXCEPT Super Nitro RS4. Use with 44T and 37T spur gears on large size tracks. If using #A882 HD 1st Gear Adapter, use #76814 44T spur gear. Great for Nitro RS4 Mini. |
10.00 |
| A844 | 1 | Fiber Brake Disc Thicker, more durable, resists melting from high speed, high demand racing. Set screw head to brake block distance at 20mm or 0.8". |
14.00 |
| A856 | 1 | Heavy-Duty 38 Tooth Final Gear (P1x38T) (Nitro RS4 MT) Machined out of a harder metal than the stock final gear. More durable and longer-lasting. We recommend purchasing #A856 and #A857 in sets for each diff. | 35.00 |
| A857 | 1 | Heavy-Duty 13 Tooth Final Gear (P1x13T) (Nitro RS4 MT) Machined out of a harder metal than the stock final gear. More durable and longer-lasting. We recommend purchasing #A856 and #A857 in sets for each diff. | 15.00 |
| A882 | 1 | Heavy Duty First Gear Adapter (Purple / Nitro 2 Speed) Perfect for the Super Nitro RS4 and any Nitro RS4 car with a high-powered engine. Purple anodized aluminum hub for new first gear spur gears on Nitro 2 Speed. Includes one-way bearing pre-installed. Use with new first gear "adapter type" spur gears #76813, 76814 or 76816 | 19.00 |
| A885 | 1 | Nitro Racing
Clutch Three-way adjustable clutch shoes, fits any HPI flywheel. Loop style spring for smooth power transfer. Won't burn up under extreme conditions. Click here for a picture of the unassembled parts. |
15.00 |
| A888 | 1 | 2 Speed Maintenance Set Includes 2 spare balls, 2 spare black springs, 2 spare silver springs and 2 spare set screws. Not for use with the Nitro RS4 3 kit! |
5.00 |
| A889 | 1 | Slide
Carb Linkage Set Fit the Nitro Star Pro 12R SC or Nitro Star 15SC engines in your car with this throttle linkage set. Includes all the parts necessary, some parts that are already on your car will be needed also. Note to NXT truck owners: Slide carb engines will not fit in the Losi NXT truck. Click here to see the individual parts. |
8.00 |
| A912 | 1 | 2
Speed Transmission (Nitro MT / Super Nitro Rally) Use for on-road use ONLY. Gearing is 11/52 for first gear, 14/29 for second. Use #A821 12/15 clutch bell for higher gearing. |
90.00 |
| A915 | 2 | Heat Sink Engine
Mount 20mm For Pull Start Anodized aluminum, finned to dissipate heat. Includes screws to mount to engine and chassis. Use with kit stock flywheel or #A925. |
45.00 |
| A920 | 2 | Heat Sink Engine
Mount 15mm For Non-Pull Start Anodized aluminum, finned to dissipate heat. For non-pullstart engines only! Lowers the engine for better center of gravity. Includes screws to mount to engine and chassis. Must use with #A926, A940 and A950 |
45.00 |
| A925 | 1 | Lightweight Flywheel
40mm For Pull Start Lightens rotating weight for faster straightaway speeds and more RPM. Use with stock engine mounts or #A915. Requires #A804 Brass Collet and Washer set for installation on any kit with 15FE engine. |
20.00 |
| A926 | 1 | Lightweight
Flywheel 32mm For Non-Pull Start Lightens rotating weight for faster straightaway speeds and more RPM. Must be used with #A920, A940 and A950 (or A970 set). Requires #A804 Brass Collet and Washer set for installation on any kit with 15FE engine. |
18.00 |
| A928 | 1 | Oil Catch For Nitro
Star Engines Fits around front engine bearing on crankshaft and keeps oil off chassis and brake disk. Has drain hole. Will not fit Nitro Star Pro engines. Fits HPI engines Nitro Star 12E, 15FE, 15SS and 15SC. |
17.00 |
| A940 | 1 | Tuned Pipe .12
to .15 Aluminum body dual chamber tuned pipe. Provides more power overall. Louder than stock muffler. Will not fit the Nitro RS4 Mini. |
65.00 |
| A947 | 1 | Tuned Pipe Retainer
Wires Two replacement wires for the #A940 Tuned Pipe. Perfect spare parts for Nitro RS4 racers! |
4.00 |
| A958 | 1 | Ball
Differential Set (Nitro RS4 MT) Allows infinite external adjustments to the differential settings. For front or rear use. |
38.00 |
| Z056 | 5 | Titanium
TP. Binder Head Screw (3 x 8mm) Cool natural finish. Feature 2mm hex head for easy removal. |
6.00 |
| Z057 | 5 | 6.00 |
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| Z058 | 5 | 6.00 |
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| Z059 | 5 | 6.00 |
|
| Z060 | 5 | 6.00 |
|
| Z066 | 5 | 6.00 |
|
| Z068 | 5 | 6.00 |
|
| Z069 | 5 | 6.00 |
|
| Z070 | 5 | 6.00 |
|
| Z076 | 5 | Aluminum
TP. Flat Head Screw M3x8mm (Hex Socket / Purple / 5 pcs) Purple anodized aluminum flat head self-tapping screws for any R/C car. Use a 2mm hex socket wrench. |
4.00 |
| Z078 | 5 | 4.00 |
|
| Z079 | 5 | 4.00 |
|
| Z675 | 5 | 5.00 |
|
| Z678 | 5 | 4.00 |
|
| Z679 |
5 |
Aluminum Wheel Nut M4 (Purple / 5 pcs |
4.00 |
