Head Rush Racing Engines · Belmont, NY
Precision built.
Race proven.
Dirt-karting racing motors, built one at a time.
Built in-house to AKRA, NKA or WKA rules, restricted or unrestricted, run on the dyno, and sent out ready to race. Tell us your class and your track and we build to it.
Latest from victory lane
Full team results-
Hendrick Dingeldine
2026 Junior 2 Track Champion; 5 feature wins (Genesee Kartway, Oct-Nov 2026); 3 feature wins in a row (Genesee Kartway, Jul-Aug 2025)
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Cody Lawrence
3 championships; adult driver of the year (2025) (Jennings County Kart Track, Feb 2026); Two feature wins (Miller Raceway, Montgomery IN, May 2024)
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Rylee Jo Lively
2025 track championships at two tracks (Amarillo Silver Dollar Speedway; Slaton Speedway, Sep-Oct 2025); 10th A-main win of 2024 on championship night (Slaton Speedway, Oct-Nov 2024); Feature win (Silver Dollar, TX, Jul 2024); Feature win (Amarillo Silver Dollar Speedway, Jun 2024)
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Jared Costello
Mid-season championship (AMS, Jul 2024); $500-to-win money race win (KB Kartway, May 2024); Swept the night (AMS (Mike Jackson Memorial), Sep-Oct 2023)
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Peyton Jewell
Feature win (Pittsfield, Jul 2024); Track championships (Pittsfield, Nov 2023); 7th win of the season (Pittsfield, Sep-Oct 2023)
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Will Holmes
2026 Junior 3 Track Champion; 15 starts, 15 wins (Genesee Kartway, Sep 2026)
- Drivers on the team
- 36
- Photos from the track
- 123
- Engine lines
- 3
- Builds offered
- 6
The engines
All motors
HEAD ACHE Series
HEAD ACHE Series Clone
Clone 350 · Clone 375 · Clone Medium · Clone Heavy · Junior classes
The flagship: a clone built to the current rules with a ported head and our own HR cam, dyno-run before it leaves.
Call for pricing
HEAD ACHE Series
Predator & 212 Builds
Stock appearing · Hobby Predator · Budget Predator · 212 classes
Predator, stock-appearing and 212 builds done the HEAD ACHE way, for the classes that run them.
Call for pricing
House Engines
House Engine
Clone classes
A freshened engine with zero laps, dyno-tuned and ready to race, when you need one now.
Call for pricing
Short Blocks, Heads & Kits
Short Block with HR Cam
Builders
Our short block with our cam in it, for the racer who finishes the build himself.
Call for pricing
House Engines
Convert Your Engine
Clone classes
Another builder's engine brought up to HEAD ACHE spec, reusing what's good.
Call for pricing
Short Blocks, Heads & Kits
Full Engine Kit
Do-it-yourself
Everything to build one yourself, the parts we would use.
Call for pricing
Services & pricing
All servicesRebuilds stack up before the season. Get your engine in early and it'll be ready when the track opens.
| Service | Turnaround | Price |
|---|---|---|
| Rebuilds & freshen-ups | Call ahead before the season | From $300 |
| Head work | Ask | Call for pricing |
| Dyno tuning | By appointment | Call for pricing |
| HEAD RUSH Cuts: tires & wheels | Ask about the schedule | From $240 |
| Clutches, new and rebuilt | Ask | Call for pricing |
| Scaling & setup | By appointment | Call for pricing |
| Kart parts | 1-2 days | Call for pricing |
| Head Rush Oil | In stock | From $20 |
| Kart stands | Built to order | From $650 |
| Shirts & hoodies | Seasonal order | Call for pricing |
What the racers say
Recommends Greg for a stout engine; their winter-2024 build is still winning with no issues
Local builder you can talk to face to face for motors, setup, tires and clutches
Years of fast motors from a builder who picks up the phone and gives good advice
Credits Greg's work for local racers with his wins
Praises first-rate customer service on a two-engine order
Tell us your class and your track.
Call or text is the quickest way to reach us. Tell us your class and your track and we'll go from there. PayPal, Venmo or cash.