HARD RACING.com
 HardRacing.com
264 Rolling Hill Rd. Mooresville, NC  28117  USA   -  704-799-2192
Fast Shipping.....WORLD WIDE.
 

PG.jpg (2472 bytes)


ORDERS:
704-799-2192


BIKE SPECIFIC
PARTS PAGES
FOR NEW
'03-'17 Models
(
Grom, Z125,  RC390,
R3, R1, R6, 
ZX-10, ZX6
CBR's,
GSX-R's
& more)



"VIC" Repeat
Customer Discount
Program


TOP SELLERS
 


Ohlins Shocks,
Forks, & Dampers

 
 


Antigravity Superlight
 Lithium Batteries


PRODUCT  CATEGORIES

Air Filters

Alarms

Apparel

Batteries

Bodywork

Brakes

Cameras

Carburetors

Cargo Racks

Chains / Sprockets

Chain Adjusters

Clip-ons

Clutches

Controls

Gauges / Dash

Electronics

Engine Covers

Engine Parts

Exhaust

Fairing Stay

Fender Eliminators

Fenders / Huggers

Fuel Caps / Bases

Fuel Injection

GS911 Service Tool

Hard Parts

Head Set Communications

Helmets

H.I.D & LED
Head Lights

Lap Timers

Levers

Mirrors / Mirror Block Off Plates

Nitrous

Oil Filters

Protection / Frame Sliders

Quick Shifters

Race Stands

Radar Detectors


Radiator Hose Kits

Rear Sets / Foot Controls

Seats / Seat Cowls

Slipper Clutch

Speedo Tuner

Sprockets / Chains

Steering Dampers

Sunglasses

Suspension

Tail Lights

Tank Traction Pads / Stomp Grip

Throttle Kits

Throttle Lock / Cruise Control

Tires

Tire Warmers

Tire Pressure Monitoring (TPMS)

Under Tails

Velocity Stacks

Wheels

Windscreens

Zombie Target

NecksGen


"VIC" Repeat
Customer Discount
Program



PG.jpg (2472 bytes)

 

 

 
FINBRO  Big Bore Kits  & Complete Motors
for '13-'17 Honda GROM / GROM SF

Finbro 183cc Big Bore Kit

   Finbro Piston JE   Finbro Head  Finbro Throttle Body   Finbro Camshaft
 
Dyno Chart >> Finbro Big Bore Kit Dyno Chart    Finbro BBK  

Monkey Father Parent company to FINBRO

Key Points: 
- Complete CUSTOM Blue printed  Big Bore Kit
- Large  HP Increase
- Excellent reliability
- OEM Fit
- Street or Race
-- Quality Parts
- Top Level Craftsmanship
- 3 Decades of Experience and R&D

Finbro  Big Bore Performance Kit  Bolt on 90-110% more power!
Take your GROM from Stock 8HP to over 18 HP with this easy to install bolt on 183cc  Big Bore kits.

This complete Big Bore Kit

Includes:
- 183cc Big Bore cylinder
 - UPGRADED JE FORGED Alum. 183cc High Compression Piston , Piston Rings, pin, clips and gasket kit
- New Complete Head, with Oversized Ports
- New Oversized Valves 31mm / 26mm
- New Higher Flow PCX150 Fuel Injector
- New  GEN2 High Performance Camshaft
- New  Overbored Inlet
- New  Overbored Throttle Body   
- New  Overbored Insulator
- New  Stiffer Clutch Springs

Note:   OUR Finbro  183cc BBK is unlike any other on the market. 
Our FInbro 183cc BBK comes with OUR Custom made  JE Forged Alum. Piston
Our GEN2  Camshaft
We personally BLUE PRINT Each Cylinder with each Piston, One at a time.
We Gap the rings, Specific to each individual cylinder.
We install the rings on the piston.
We properly clock them.
We then install the piston in the cylinder, so it's ready to go.

 

VERY IMPORTANT:  ALL Big Bore Kits requires an Aftermarket Fuel Controller and A/F Monitor (not included)
We highly recommend the Dyno Jet PCV, and WBC2 for proper control of the Fuel, maximum performance, and Longevity.
ALL Ignition Advance Must be removed from the bike, Prior to running a BBK, or  Detonation will occur.

Please see the Video's below for COMPLETE Details on each piece of the kit, how it works, what it does, and installation proecedure

 Finbro Big Bore Kit Dyno Chart  <<  Dyno Chart 


>> FINBRO BIG BORE PERFORMANCE KITS  <<  
$1200  ....Sale Price - $897 

>> watch Installation video Part 1 <<

>> watch Installation video Part 2 <<

>> watch Installation video Part 3 <<





    
Finbro Ported Head  With Larger Valves 
includes: 26.5mm / 22mm Valves (NO CAMSHAFT)

Camshaft sold Separately

Please note this head is designed to work on STOCK 125cc Motor
Any installation of this head on other model BBK will most likely require custom modifications

Sale Price - $155



 



finbro piston

Finbro 125cc Flat Top Piston  - HONDA Grom with STOCK Cylinder   Sale Price - $94
Includes:  125cc piston, rings, pin, clips



 


FINBRO  Upgrade parts for Any Big Bore Kit
- New Overbored Inlet
- New Overbored Throttle Body   
- New Overbored Insulator
All specifically machined to match up together.  
Package Sale Price - $169  

 



 

FINBRO 235cc Complete Motor


FINBRO 
235cc BBK Complete Motor
Includes  Finbro  ECM and  Finbro 31mm Throttle Body
Built and tested in the Finbro Factory, and shipped Direct to your door.
- includes 6 month manufacturer warranty
Sale Price -   $2397

Click here for more details   >> FINBRO 235 MOTOR <<

See Our Customers Video >> 235 Motor <<

 



 

 

FINBRO 204cc Complete Motor


FINBRO 
204cc BBK Complete Motor w/ 4 Valve HEAD
Includes  Finbro  ECM and  Finbro 34mm Throttle Body
Built and tested in the Finbro Factory, and shipped Direct to your door.
Sale Price -   $2679  
Click here for more details   >> FINBRO 204cc 4V MOTOR <<
- includes 6 month manufacturer warranty