RTR Nitro RS4 3 Evo Home | Manual | Spec Sheet | Parts List | Nitro FAQ
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For racing, our #72175 High Performance
Air Filter is ideal |
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Make your car handle better with
the #73914 Super Chassis |
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Adjust and tune your handling easily
with the #72222 Turnbuckle Set |
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The #72170 Threaded
Aluminum Shock Set looks great and lets you tune your shocks with
ease |
Get it from Buy HPI! |
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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)
Also see our full parts lists for:
| Part | # | Description | US Suggested Retail Price |
| 914 | 1 | Nitro
Start-Up Set (120v) This Nitro Start-Up Set includes 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 |
| 1687 | 1 | Carburetor (SC) (Complete)
Two needle adjustments, large bore carb! Fits the 15SS and 15SC engine cases.(For instructions how to install this, click here) |
55.00 |
| 2012 | 1 |
Hump Battery Pack for Receiver (6v 1200mAh/Ni-MH) | 32.00 |
| 2013 | 1 |
Stick Battery Pack for Receiver (6v 1200mAh/Ni-MH) | 32.00 |
| 6272 | 1 | Bumper
Plate (RS4 Sedans) Woven graphite plate keeps precut foam bumpers in place and looks great. Not for RS4 Mini, RS4 MT, Nitro RS4 MT or Super Nitro RS4 (See it installed here.) |
8.00 |
| 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 |
| 6274 | 1 | Precut Foam Bumper Gray (RS4 Sedans) | 5.00 |
| 6275 | 1 | Precut Foam Bumper Blue (RS4 Sedans) | 5.00 |
| 6277 | 1 | Foam Bumper (Super
Nitro RS4) Includes aluminum hardware for secure installation. Thick foam protects the body and chassis! |
8.00 |
| 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 |
| 7115 | 3 | Touring
Car Rear Wing Set Three wings in different widths (175mm, 185mm, 195mm) for use on any wide or narrow touring car body, molded in thick, tough 0.040" polycarbonate! Three sets of side plates are included to fine-tune the wing for long or tight tracks. A special "Gurney Flap" is molded into each wing for extreme rear downforce, and the thickness of the wing prevents the wing from being deformed at high speeds. This is a great "secret weapon" for touring car racers! See the wing profile here. |
10.00 |
| 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 |
| 9084 | 1 | HPI
Curved Scissors Cuts through R/C polycarbonate bodies easily, and is curved for extra convenience. |
12.00 |
| 72011 | 2 | MIP CVD Axle Front (2 pcs) Spare part for #80837 |
12.00 |
| 72012 | 2 | MIP CVD Axle Rear (2 pcs) Spare part for #80838 |
9.00 |
| 72013 | 1 | MIP CVD Rebuild Kit | 7.00 |
| 72031 | 2 | Aluminum
Front Hub Carriers (Purple / fits Pro/Sport 2, RTR, Nitro 2, Racer
2, Super) Strengthens the front end of your car significantly. Fits all kits with the Pro 2 Front Suspension. Includes set screws for hinge pins and screws/nuts for camber links. Will not fit the Pro 3. AVAILABLE EXCLUSIVELY AT BUY HPI! |
33.00 |
| 72036 | 4 | Aluminum
Hex Hub Clamp Type (6mm / 4pcs) Purple anodized for great looks, these are stronger than plastic hex hubs, and won't fall off your axles or get stuck in your wheels! 6mm wide: Super Nitro RS4 and RS4 Mini owners will need to use 1mm spacers to maintain the same wheel offset. AVAILABLE EXCLUSIVELY AT BUY HPI! |
20.00 |
| 72040 | 2 | Aluminum
Rear Hub 1.5 Degree Provides more steering for all RS4 series cars than stock 2 degree hubs. Will not fit the Pro 3. 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. Will not fit the Pro 3. AVAILABLE EXCLUSIVELY AT BUY HPI! |
35.00 |
| 72062 | 6 | Shock
Spacers 0.3mm clear / 0.5mm smoke (6 pcs ea) Use this thin shock spacers to accurately set the ride height of your car! |
4.00 |
| 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 |
| 72065 | 2 | Aluminum
Upright Set Take out any steering slop in your steering! Marked #1 and #2, make sure you install each arm on the correct side. Will not fit the Pro 3.See them installed on a car by clicking here. AVAILABLE EXCLUSIVELY AT BUY HPI! |
32.00 |
| 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 |
| 72170 | 2 | Threaded
Aluminum Shock Set (45-56mm) The same shocks as featured on our Proceed 1/8 scale car. Uses threaded shock bodies, adjustment collars with o-rings, PTFE shock pistons, stainless steel shock shafts, clear silicone o-rings, shock bladders, blue linear springs and our #6818 plastic shock parts tree. Threaded shock bodies allow racers to make very fine adjustments to their car. We don't suggest using threaded shock bodies without a tweak board or setup gauges. Used for touring cars and Super Nitro RS4 cars only. |
42.00 |
| 72175 | 1 | High
Performance Air Cleaner High flow, super duty air cleaner for all 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. These can be used in any of our kits that use gear differentials except the Nitro Rush- the Nitro Rush is equipped Heavy Duty Diff Shafts stock. |
8.00 |
| 72215 | 1 | Gear
Diff Adjustment Spring Set (Medium, Firm, Stiff) Use this set of springs to adjust and fine-tune the gear diff of your car. Can be used with #30005 HPI Pro Diff Gear Oil. Includes 2 medium, 1 firm, 1 stuff springs. |
8.00 |
| 72222 | 1 | Turnbuckle
Set (Nitro 3) A complete set of turnbuckles to adjust the camber and front toe-in of your Nitro RS4 3! |
14.00 |
| 72228 | 1 | Stainless
Steel Suspension Shaft Set with Rear Brace (Nitro 3) Improve the durability of your car with these extremely strong stainless steel hinge pins! |
16.00 |
| 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 |
| 73056 | 1 |
Upper Deck (Woven Graphite/Nitro 3) Stiffen the chassis of your Nitro 3 Type SS or RTR 3 with this woven graphite Upper Deck! All the hardware you need to convert the car is included, as well as servo mounts and purple anodized aluminum posts. You also get a lower center of gravity by using flat battery packs! |
38.00 |
| 73914 | 1 | Super
Chassis (RTR 3) Cut from 7075 aircraft aluminum, this is the strongest and lightest chassis you can get for the RTR 3! 3mm thick and fully countersunk, even the front and rear ends are beveled to prevent any bottoming out. |
85.00 |
| 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 |
| 80837 | 2 |
MIP CVDs (Front/Black/2 pcs) | 32.00 |
| 80838 | 2 | MIP CVDs (Rear/Black/2 pcs) | 32.00 |
| 80839 | 1 | MIP CVD Bone (Front/Black/1 pc) Spare part for #80837 |
7.00 |
| 80840 | 1 | MIP CVD Bone (Rear/Black/1 pc) Spare part for #80838 |
7.00 |
| 86162 | 1 |
Exhaust
Header (Rear Exhaust Engine/U Shape/Short/Black) Fits Nitro 3 with aftermarket aluminum pipe. |
13.00 |
| 86163 | 1 |
Exhaust
Header (Rear Exhaust Engine/U Shape/Long/Black) Fits Nitro 3 with kit pipe. |
13.00 |
| 87120 | 1 |
HPI Roto Start System Fits Nitro 3 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 |
| A111 | 2 | Super Shock Set 45-56 For Touring Cars and Super Nitro RS4. Include PTFE shock pistons and red springs. Hard-anodized aluminum shock bodies and caps, stainless steel shock shafts. Shock bladders also included. |
32.00 |
| A209 | 6 | Sway Bar Set | 21.00 |
| A301 | 8 | Heavy-Duty
Ball Cups 4.3 x 13mm (8 pcs) Snap 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 |
| A462 | 1 | Carbon
Graphite Upright Set Stronger and stiffer, left and right 8 and 10 degree pieces included. Will not fit the Pro 3. |
18.00 |
| A801 | 1 | Flywheel Standard machined aluminum flywheel. Use #A804 brass collet to mount onto engine. |
8.50 |
| A804 | 1 | Collet 7 x 5mm Brass collet and washer for mounting #A801. |
2.00 |
| A815 | 1 | 15T Clutch Bell | 7.00 |
| 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) Machined out of a harder metal than the stock final gear. More durable and longer-lasting. #A856 and #A857 required in sets for each diff. |
35.00 |
| A857 | 1 | Heavy-Duty
13 Tooth Final Gear (P1x13T) Machined out of a harder metal than the stock final gear. More durable and longer-lasting. #A856 and #A857 required in sets for each diff. |
15.00 |
| 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 |
| 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 12R SC Engine. 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. Will not fit the Nitro RS4 Mini. |
65.00 |
| Z057 | 5 | Titanium
TP. Binder Head Screw (3 x 10mm) Cool natural finish. Features 2mm hex head for easy removal. |
6.00 |
| Z058 | 5 | Titanium
TP. Binder Head Screw (3 x 12mm) See above for details |
6.00 |
| Z059 | 5 | Titanium
TP. Binder Head Screw (3 x 15mm) See above for details |
6.00 |
| Z060 | 5 | Titanium
TP. Binder Head Screw (3 x 18mm) See above for details |
6.00 |
| Z066 | 5 | Titanium
TP. Flat Head Screw (3 x 8mm) See above for details |
6.00 |
| Z068 | 5 | Titanium
TP. Flat Head Screw (3 x 12mm) See above for details |
6.00 |
| Z069 | 5 | Titanium
TP. Flat Head Screw (3 x 15mm) See above for details |
6.00 |
| Z070 | 5 | Titanium
TP. Flat Head Screw (3 x 18mm) See above for details |
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 | Aluminum
TP. Flat Head Screw M3x12mm (Hex Socket / Purple / 5 pcs) See above for details |
4.00 |
| Z079 | 5 | Aluminum
TP. Flat Head Screw M3x15mm (Hex Socket / Purple / 5 pcs) See above for details |
4.00 |
| Z162 | 1 | Heavyweight Grease (Gear Diff) | 4.00 |
| Z675 | 5 | Aluminum
Thin Lock Nuts (Purple / 5 pcs) Purple aluminum lock nuts for securing 3mm screws. |
5.00 |
| Z678 | 5 | Aluminum Thin Lock Nuts (Purple / 5 pcs) | 4.00 |
| Z679 | 5 | Aluminum Wheel Nut M4 (Purple / 5 pcs) | 4.00 |
