R40 Home | Manual | Parts List | Car Setups | HPI Foam Tires
 |
See our complete line
of HPI Pro Foam Tires
to outfit your R40! |
 |
 Use
our wide range of pinion and spur gears to fine-tune the gearing
of your R40 for any size track! See below for part numbers. |
 |
Use the Front
One-Way Differential 36 Tooth (Nitro R40) for extra traction
and steering on high-grip surfaces! #75026 |
 |
 Tune
your suspension with our new front and rear shock springs for your
R40! See below for part numbers. |
 |
Fine-tune the rear end of your R40 with our new rear sway bar set! #75033 |
Also see our full parts lists for:
Part |
# |
Description |
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 |
| 1300 | 1 | Nitro
Star Pro 12R XS Engine (SG Shaft/No PS) 1.35hp SG shaft non-pullstart rear exhaust engine with ABC construction and slide type 5.5mm carb - click here for full details! |
209.00 |
| 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 |
| 6763 | 2 |
Shock Spring 13 x 20 x 1.7mm x 6.5 coils (Silver/2 pcs) (Front) | 4.00 |
| 6767 | 2 | Shock Spring 13 x 20 x 1.7mm x 5.5 coils (Gold/2 pcs) (Front) | 4.00 |
| 6773 | 2 | Shock Spring 13 x 23 x 1.6mm x 6.5 coils (Silver/2 pcs) (Rear) | 4.00 |
| 6777 | 2 | Shock Spring 13 x 23 x 1.6mm x 5.5coils (Gold/2 pcs) (Rear) | 4.00 |
| 6817 | 1 | Shock Parts Set Molded from self-lubricating plastic, these parts replace the upper and lower shock mount eyelets for one shock. They also include shock clips and more. |
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 |
| 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 |
| 33401 | 1 |
R40 Lightweight 2 Speed Shaft |
16.00 |
| 33402 | 1 | R40 Lightweight Middle Shaft | 19.00 |
| 33403 | 1 |
R40 Steering Upgrade Set |
15.00 |
| 33405 | 1 | Heat Sink Engine Aluminum Mount (R40) New for the ROAR National Champion HPI R40 nitro sedan are Heat Sink Aluminum Engine Mounts. |
40.00 |
| 33406 | 1 | Diff Gear Set (R40 4 Bevel Gear) This set has the 4 bevel gear modification, which makes the car more stable under hard acceleration. |
32.00 |
| 33407 | 1 | Aluminum Hex Hub Clamp Type (6mm/4pcs) These are official HPI factory option parts, designed to the exact car dimensions and team tested for maximum performance. |
32.00 |
| 72062 | 6 | Shock
Spacers 0.3mm clear / 0.5mm smoke (6 pcs ea) Use these 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 |
| 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 removing 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 our 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 necks plus zip ties included. |
16.00 |
| 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 |
| 72422 | 1 | Aluminum
Spring Perch (Purple/4 pcs) Dress up your car with these lightweight replacement shock parts! |
16.00 |
| 73065 | 1 | Lightweight Upper Deck (Woven Graphite / 2.3 mm) High quality 2.3mm woven graphite for factory-tested fitment and long life. |
35.00 |
| 73089 | 1 | Front
Shock Tower A (Woven Graphite/R40) Machined from 3mm woven graphite, provides extra shock mounting holes. |
16.00 |
| 73090 | 1 | Rear
Shock Tower A (Woven Graphite/R40) Machined from 3mm woven graphite, provides extra camber and shock mounting holes. Lays down rear shocks for extra side grip while cornering. Includes necessary hardware. |
29.00 |
| 73104 | 1 | Light Weight Mid Brace (Graphite) | 12.00 |
| 73924 | 1 | Light
Weight Super Chassis (3mm 7075/Gun Metal) Stiffer and stronger 3mm 7075S aluminum with bevels and cutouts, 20g lighter than standard chassis. |
90.00 |
| 74100 | 1 | Universal
Pinion Gear Wrench Helps tighten threaded pinion gears for Nitro cars. |
8.00 |
| 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 |
| 75026 | 1 |
Front One-Way Differential 36 Tooth (Nitro R40) | 42.00 |
| 75028 | 1 | Cup Joint 6mm (Front One-Way Diff) Spare part for #75026 |
8.00 |
| 75033 | 1 |
Rear Sway Bar Set (2.2mm Silver/2.6mm Gold) | 5.00 |
| 75056 | 1 | Aluminum Rear Brace (Purple) |
40.00 |
| 75057 | 1 | Aluminum Middle Mount Set (Purple) | |
| 76947 | 1 | Spur Gear 47 Tooth (1M/1st Gear/2 Speed) | 3.00 |
| 76948 | 1 | Spur
Gear 48 Tooth (1M/1st Gear/2
Speed) R40 kit gear |
3.00 |
| 76949 | 1 | Spur Gear 49 Tooth (1M/1st Gear/2 Speed) | 3.00 |
| 76952 | 1 | 42 Tooth Spur Gear (R40) | 3.00 |
| 76953 | 1 | Spur Gear 43 Tooth (1M/2nd Gear/2 Speed) | 3.00 |
| 76954 | 1 | Spur Gear 44 Tooth (1M/2nd Gear/2 Speed) | 3.00 |
| 76955 | 1 | Spur
Gear 45 Tooth (1M/2ndGear/2
Speed) R40 kit gear |
3.00 |
| 76956 | 1 | Spur Gear 46 Tooth (1M/2ndGear/2 Speed) | 3.00 |
| 76960 | 1 | Threaded Pinion Gear 15Tx12mm (1M/1st Gear/2 Speed) | 4.00 |
| 76961 | 1 | Threaded
Pinion Gear 16Tx12mm (1M/1st Gear/2
Speed) R40 kit gear |
4.00 |
| 76962 | 1 | Threaded Pinion Gear 17Tx12mm (1M/1st Gear/2 Speed) | 4.00 |
| 76963 | 1 | Threaded Pinion Gear 18Tx12mm (1M/1st Gear/2 Speed) | 4.00 |
| 76968 | 1 | Threaded Pinion Gear 18Tx16mm (1M/2ndGear/2 Speed) | 4.00 |
| 76969 | 1 | Threaded
Pinion Gear 19Tx16mm (1M/2ndGear/2
Speed) R40 kit gear |
4.00 |
| 76970 | 1 | Threaded Pinion Gear 20Tx16mm (1M/2ndGear/2 Speed) | 4.00 |
| 76971 | 1 | Threaded Pinion Gear 21Tx16mm (1M/2ndGear/2 Speed) | 4.00 |
| 76972 | 1 | Threaded Pinion Gear 22Tx16mm (1M/2ND GEAR/ 2SPEED) | 6.00 |
| 76973 | 1 | Threaded Pinion Gear 23Tx16mm (1M/2ND GEAR/ 2SPEED) | 6.00 |
| 76974 | 1 | Threaded Pinion Gear 24Tx16mm (1M/2ND GEAR/ 2SPEED) | 6.00 |
| 77010 | 1 | Threaded Pinion Gear 20Tx12mm (0.8M/1ST/2 Speed) |
8.00 |
| 77011 | 1 | Threaded Pinion Gear 21Tx12mm | 8.00 |
| 77012 | 1 | Threaded Pinion Gear 22Tx12mm | 8.00 |
| 77020 | 1 | Threaded Pinion Gear 25Tx16mm (0.8M/2ND/2 Speed) |
8.00 |
| 77021 | 1 | Threaded Pinion Gear 26Tx16mm | 8.00 |
| 77022 | 1 | Threaded Pinion Gear 27Tx16mm | 8.00 |
| 77023 | 1 | Threaded Pinion Gear 28Tx16mm | 8.00 |
| 77024 | 1 | Threaded Pinion Gear 29Tx16mm | 8.00 |
| 77033 | 1 | Spur Gear 58 Tooth (0.8M/1ST/2 Speed) |
4.00 |
| 77034 | 1 | Spur Gear 59 Tooth (0.8M/1ST/2 Speed) | 4.00 |
| 77035 | 1 | Spur Gear 60 Tooth (0.8M/1ST/2 Speed) | 4.00 |
| 77042 | 1 | Spur Gear 52 Tooth (0.8M/2ND/2 Speed) | 4.00 |
| 77043 | 1 | Spur Gear 53 Tooth (0.8M/2ND/2 Speed) | 4.00 |
| 77044 | 1 | Spur Gear 54 Tooth (0.8M/2ND/2 Speed) | 4.00 |
| 86164 | 1 |
Exhaust Header (Rear Exhaust Engine/L Shape/Black) | 13.00 |
| 87173 | 1 | Light Weight 2 Speed Transmission Set (0.8M) |
70.00 |
| 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 |
| 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 |
| 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. Feature 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 | 1 | 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 |
