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Product Index

 
HPI Parts Index  

 
HPI 1/10th Scale Parts Page #1  

 
HPI 1/10th Scale Parts Page #2  

 
Short Course Wheels
(2.2" - 3.0")
 

 
Mini Front Bumper for the Firestorm  

 
Wide Front Bumper for the Firestorm  

 
In-Line Steering Blocks for the Blitz & Firestorm  

 
Rear Bearing Carriers for the Blitz & Firestorm  

 
Front & Rear A-arms for the Blitz & Firestorm  

 
Roof-Mounted Light Bar Set  

 
Narrow Roof-Mounted Light Bar Set  

 
3.5mm Heavy Duty Rod Ends  

 
Heavy Duty Rod Ends  

 
Lower Spring Cups  

 
Product Database  

 
 
 

HPI Firestorm Mini Front Bumper
Also fits the Assoc. GT2, B4 & T4
Mini Front Bumper for the Assoc. B4 & T4Race oriented HPI Firestorm owners prefer lightweight, yet effective parts. That is why RPM is proud to release our Mini Front Bumper for these vehicles. Weighing in at a mere 5-3/4 grams, it is small in size but big on performance. The RPM mini bumper extends in front of the vehicle and curves up into a 2” wide bumper that actually performs as a bumper. ItChassis Side View of the Assoc. B4 & T4 Mini Bumper protects both the chassis and the hinge pins from frontal impacts and acts as a low-friction skid plate. Similar to our Wide Front Bumpers, our mini bumpers also use all four bulkhead mounting screws to disperse impacts over a larger area reducing transferred impact forces by over 50%! As a finishing touch, our mini bumpers have recessed mounting holes so all those nasty scrapes and crashes will be absorbed by the bumper, not the screw heads! These bumpers are molded in either blue or black and mount using stock, existing hardware. For the ultimate in bash proof protection, check out our Wide Front Bumper below.

Tech Notes: RPM Bumpers for the HPI Firestorm fit all versions of these trucks including the Firestorm 10T, E-Firestorm & E-Firestorm Flux.

80232 HPI Firestorm Mini Front Bumper - Black   
80235 HPI Firestorm Mini Front Bumper - Blue    

Suggested Retail  $4.95

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HPI Firestorm Wide Front Bumper
Also fits the Assoc. GT2, T4 & B4
Wide Front Bumper for the Assoc. B4 & T4
The stock front bumper on the HPI Firestorm is simply a miniature skid plate. It does nothing to help protect the front end of the vehicle. The RPM wide front bumper for the HPI firestorm was designed to add in loads of bash-proof protection! At a full 6” in width, our bumper can handle some serious abuse! It extends far enough in front of the vehicle to absorb some of the most brutal impacts without transferring the major shock of the impact into the more fragile areas of the vehicle while providing ample front-end chassis skid protection from hard landings. Our front bumper also has strengthening ribs built into it that have a multi-purpose design; The ribs not only add strength to the bumper, but they act as low friction skid rails and they help protect the screw-heads holding the bumper to the bulkheads. The RPM wide front bumper for the HPI Firestorm uses all four bulkhead mounting screws. This helps disperse any impact forces that do make it to the chassis over twice the area of a stock bumper, thereby reducing or eliminating damage to other more fragile areas of the vehicle. RPM bumpers are built using our trademark blend of bulletproof nylons and are molded in black or blue. For the race oriented individual that wants added protection without added weight, we have our Mini Front Bumper available.

Tech Notes: RPM Bumpers for the HPI Firestorm fit all versions of these trucks including the Firestorm 10T, E-Firestorm & E-Firestorm Flux.

80042 HPI Firestorm Wide Front Bumper - Black  
80045 HPI Firestorm Wide Front Bumper - Blue  

Suggested Retail  $8.95

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In-Line Steering Blocks for the HPI Blitz & Blitz ESE
also fits the Firestorm 10T, E-Firestorm & E-Firestorm Flux

In-Line Steering BlocksPreviously, RPM engineers designed rear bearing carriers for the HPI Blitz and Firestorm lines of vehicles that incorporated 5x11mm bearings, improving durability and performance significantly. That same bearing size is now available for the front end of those same vehicles! RPM In-Line Steering Blocks incorporate a 5x11mm bearing, which has nearly twice the dynamic load rating as the stock 5x10mm bearing. That’s nearly twice the muscle to make a strong truck nearly bulletproof!

RPM In-Line Steering Blocks incorporate all stock geometry for a perfect fit and are molded from our ultra durable blend of nylons for a significant improvement in durability and strength as well.

Tech Notes: 5x11x4mm. bearings are not included with these kits (4 bearings are needed for each kit). RPM In-Line Steering Blocks are “stock” replacement parts for the HPI Firestorm Line of vehicles while they are the “optional” replacement steering blocks available for the HPI Blitz line of trucks. Sold as a pair with one left and one right steering block in each package.

81052 In-Line Steering Blocks    

Suggested Retail  $11.95 / pair

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Rear Bearing Carriers for the HPI Blitz & Blitz ESE
also fits the Firestorm 10T, E-Firestorm & E-Firestorm Flux
Rear Bearing Carriers

The stock rear bearings and axle carriers of the HPI Blitz, Blitz ESE, Firestorm 10T, E-Firestorm & E-Firestorm Flux aren’t quite strong enough to handle the punishment HPI owners dish out. Once again, RPM steps in to make a good product infinitely better!

 

Our primary focus was on a bearing overhaul. Stock bearings are a 5x10mm design, which is a rather unusual size and according to RPM customer reports, not strong enough for their demands. RPM Bearing Carriers use a 5x11mm bearing and if you’re familiar with the best selling RPM carriers of all time – our Traxxas Rustler, Stampede & Slash rear bearing carriers (#80382) – that use a 5x11mm bearing, you’ll already know how strong this bearing size really is. The typical bearing load rating difference switching from the stock 10mm bearing to an 11mm bearing nearly doubles the dynamic load rating (from 44kgf to 73kgf)!

 

Naturally, while we were building a new axle carrier, we went out of our way to make sure the overall design met standard RPM criteria for strength and durability. What we came up with is nothing but pure RPM muscle, sure to make even the most discerning customer extremely happy!

 

RPM rear bearing carriers are made from our bulletproof blend of super strong nylons and are factory backed with our industry renowned breakage warranty. Coupled with the fact that we proudly produce every RPM molded product in-house in our facility in Chino, California USA means you’ll end up with superb, extremely high quality RPM products each and every time!

 

Tech Notes: 5x11x4mm. bearings are not included with these kits (4 bearings are needed for each kit). RPM bearing carriers are stock upgrades for both the Blitz & Blitz ESE while the carriers are upgraded carriers for all versions of the Firestorm (they contain an additional inner camber link position not found on stock Firestorm axle carriers).

 

80792 Rear Bearing Carriers    

Suggested Retail  $10.95 / pair

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Front & Rear A-arms for the HPI Blitz & Blitz ESE
also fits the Firestorm 10T, E-Firestorm & E-Firestorm Flux
Front A-arms & Bulkhead

Box-stock, the Blitz is quite a rugged truck but hard-core racers and bashers are managing to find its weaknesses. That’s where RPM steps in. RPM A-arms and Bulkheads for the HPI Blitz, Firestorm RTR, E-Firestorm & E-Firestorm Flux are designed to eliminate those minor weaknesses in these otherwise strong competitors. Our goals were simple: Make them strong, make them slop-free and make them look great on the truck. Mission accomplished!

Strength is always a number one priority when we design aftermarket parts for any vehicle. By increasing the thickness of the material around both the inner and outer hinge pins, splitting A-arms at the hinge pins will be a thing of the past. Our front A-arm design eliminates the stock front bulkhead in favor of a new design that spreads impact forces over a much larger area. This distributes those forces more evenly and helps prevent breakage of the more sensitive, more expensive and fragile inner components. We also focused on the hinge pin retaining system used on the stock A-arms. Using a small screw hole so close to the hinge pin like the stock arms do weakens the A-arms at that point. We moved the hinge pin retaining screws in-line with the hinge pins, significantly strengthening our A-arms in the process.

Rear A-armsOur next objective – eliminate the slop – was a simple matter of using closely controlled materials processing and tight mold tolerances to allow a free moving suspension system without unnecessary free play. We tightened the sizes around the hinge pins and eliminated fore and aft movement at the inner and outer hinge pins (the stock front end, for example, allows over 1/16” (1.5mm) of forward and rearward movement)! The end result is a suspension system that will hold camber, toe and caster settings nearly perfect, even under the toughest of conditions.

Our final objective – to create a great looking set of suspension arms  - came from our standard practice of beveling the leading and trailing edges of the A-arms. The 30-degree angles create a slim profile, which not only looks great but also cuts through the dirt and air to help reduce overall drag. Form and function, all rolled into one!

 

Tech Notes: RPM Front A-arms for the Blitz, Blitz ESE, Firestorm RTR, E-Firestorm & E-Firestorm Flux require the use of the included RPM front bulkhead. Stock and aftermarket bulkheads will not work with RPM front A-arms.

 

 

82242 Rear A-arms    
82262 Front A-arms & Bulkhead    

#82242 & #82262 - Installation Instructions

Suggested Retail
Rear - $11.95 / pair
Front - $14.95 / pair (includes bulkhead)

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Roof-Mounted Light Bar Set
(fits most Short Course Bodies with a min. 6" of roof width)
Chrome Roof Light Set
Our Roof-Mounted Light Bar Set looks just like the roof light sets of current Baja 1000 trucks. It incorporates six of our light canisters (the same used in the front bumper light set of RPM #80982 & #80983). Each of the six canisters is capable of holding a high intensity, 3mm LED (not included) for the ultimate in nighttime off-road racing experiences. What’s best? These light sets will fit all current 1/10th and most 1/8th scale (although specifically designed for 1/10th scale) “Short Course”-style bodies! That’s right, they will fit the HPI Blitz, Traxxas Slash, Associated SC10 & Losi Strike to name just a few. Blue Roof Light Set

The goal of our Roof-Mounted Light Set was to recreate a scale version of those light bars found in full-sized night racing while striving for some reasonable amount of crash-survivability. What we came up with is a light mount set that uses a unique hinge-based system that in the event of a roll-over, the light bar will collapse against the body to help reduce impact damage. The light set is designed to bolt to the front windshield of the truck (although with sufficient room, it can be mounted to the rear window as well), keeping the profile low and in the perfect position to light up the night! A pair of large backing plates are supplied that help protect the Black Roof Light Setbody where the screws hold the light bar in place.

We mold these light bar sets in black, chrome and blue to match or contrast any paint or color scheme.

Each kit comes complete with all necessary mounting hardware, light canisters, molded parts and instructions. The instructions also show how to easily create your own LED light set-up with a few basic electronics skills, some tools and a little patience.

Suggestions: If you don't want to build a set of LED lights yourself, please consider these options for drop-in light sets for the RPM Roof-Mounted Light Bar Set.

  • RC-Lights makes a pair of drop-in kits specifically for our Roof-Mounted Light Sets using the main battery pack for power. A stand alone kit for the roof lights can be found here. If you already have our front bumper light set and an RC-Lights front bumper light set, an add on kit can be found here. RC-Lights is offering $30.00 off any full LED lighting system to RPM customers. Simply mention the code 'RPM' at checkout.

What's Included: 1 - Light Bar, 1 Canister Mounting Plate, 2 - Body Mounts, 2 - Backing Plates, 6 Light Canisters, 6 - Lenses, 6 - Light Guards, 1 Mounting Hole Drill Template, all necessary hardware and complete instructions for assembly.
Chrome light bars come with chrome light canisters. Both black and blue light bars come with black light canisters. 

Tech Notes: LED lights are not included. The RPM Roof-Mounted Light Bar Set can fit any number of applications as long as there is at least 6” of roof width for the light bar body mounts to fit in place. Due to the scale appearance of this light bar set, we cannot properly strengthen all aspects of the lights. Therefore, some warranty restrictions may apply. See instructions for complete details.

 
80922 Roof Mounted Light Bar Set - Black    
80923 Roof Mounted Light Bar Set - Chrome   
80925 Roof Mounted Light Bar Set - Blue    

#8092_ - Installation Instructions

Suggested Retail
Black or Blue - $18.95
Chrome - $20.95

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