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DRI BUYERS GUIDE - HONDA 400EX
Prices subject to change without notice

Easy Installation · Unlimited Tech Support · Excellent Start Up Performance Mods.


#BK4-4000 $699.00  
·INCLUDES: Complete Fat Boy 4 Exhaust System (with STD Muffler), Jet Kit, Pro Flow Air Cleaner Kit (Pro Flow flange, K&N, Outerwear)

·PERFORMANCE GAIN: 5+HP

·INSTALLATION: 2-3 hours

Stage 1 Power Kits are designed to work with most DRI engine kits.
To purchase the Stage 1 Kit click here
S-1 Bolt-On Kit
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Not available online- Please call DRI to purchase

 

·INCLUDES: Fat Boy 4 Complete Exhaust System, 440 Big Bore Kit (Piston sleeve headgasket, cylinder installed in stock core), HP4 Kit (DR Porting, SERDI Valve Seat Cut, Big Valve Kit), HD Valve Springs, Shortened Bronze Guides, Hardfaced Camshaft), Instructions, DR Tech Support.

·PERFORMANCE GAIN: 10+ HP over Stock depending on Cam compression option.

·COMPRESSION OPTIONS: Compression: 10-1, 11-1, 12-1, 13

·CAMSHAFT OPTIONS: Camshafts-Low End Cam X1, Mid/Top End X2, or Full Top End X6. (to see options below click here)

·FUEL: 10-1 93 Octane Pump Fuel, 11-1 and up 108-112 Race Fuel Octane

·AIR/FUEL:
Rejet stock carburetor. For maximum power install 40mm FCR

·AIR CLEANER:
Recommend Pro Flow K&N Kit in stock airbox with no lid.

·CORES REQUIRED:
Cylinder, Head & Camshaft

·NEW CORE PRICING:
Head $549.00 , Stock Cylinder $412.00 / PC4000 Cylinder $495.00

·UPGRADE OPTIONS:    
Hardface Rocker Arms #MC-196-RA. $69.00 ea
PC 4000 Cylinder #PC-4005 $495.00
Big Valve Kit #DR-03116 $230.00
Vortex Ignition (Standard) #VT-140S $499.00
FCR Carburetor 40mm #K-FCR-40- $599.00.   

·DELIVERY TIME: 3-4 weeks


440 National Kit
 
440 Nat. Kit w/Twist Sleeve Only
 
 
 
 
 
 
·NOTES: Kit Price is plus any OEM parts.
Customer must send in to DRI their; Cylinder, Head, Camshaft for modification. (or purchase new cores)
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·All Fat Boy 4 Exhaust Systems with FREE jet kit included with instruction packet
·Made in USA · Professionally Designed and Developed to offer Maximum Performance · Stainless Steel Header and Tail pipes · CNC Stainless Steel Header Flanges · CNC Machined Front and Rear End Caps · Stainless Steel Muffler Core-Rebuildable · Repackable-Limited Lifetime Warranty

FAT BOY 4 Complete Stainless Exhaust System
(with Standard Muffler)

#FB4-EH4000 $599.00  
     
To purchase the Fat Boy 4 System click here
Fat Boy 4 Exhaust System
FAT BOY 4 HQ Complete Stainless Exhaust System
(with HQ Muffler)  
#FB4-EH4000-HQ $649.00  
Features: 30% larger volume, redesigned packing and core. Reduces sound output by 3-4 db.
To purchase the Fat Boy 4 HQ System click here
Fat Boy 4 w/turndown
 
   
Optional Accessories     
#FB4-4A250 $39.95 Turndown (bolts on with o-ring) 
#06-554  $17.95 Spark Arrestor
(requires turndown) 

1.Turndown bolts on rear end cap, with o-ring seal.
2.To use spark arrestor turn down is required.
*Rejetting is required, with installation of all Fat Boy 4 exhausts.

QP-2 Quiet Tip ** Available in silver only
#FB4-QP-2 $129.95  

·Bolts on rear end cap of Fat Boy · Lowers DB readings a minimum of 2-3 dbs · Forestry approved when used with screen.

* Note: Some rejetting may be required.

     
To purchase the QP-2 Quiet Tip click here
     
Fat Boy 4 with QP-2
To purchase Fat Boy 4 Accessories click here
     
To purchase Fat Boy 4 Replacement Parts click here
     
     
     
QP 2 with screen
Custom Colored FAT BOY 4 Mufflers * at additional cost

Custom anodized color components (muffler, end cap & turndown) are at an additional cost to the base price for the Fat Boy 4 and the components (Turn down & End cap).

*Available by special order only

**Lead time can be 1-2 weeks
Fat Boy 4 mufflers are available in a Black, Red or Blue anodized finish.
Muffler bodies, rear end caps or turndowns are available colored individually or as a complete package.
*DRI cannot guarantee colored anodized mufflers will not fade over time.



**Custom Color prices are in addition to the regular Fat Boy 4 price Example:
400EX Fat Boy 4 Complete Exhaust System-
    $599.00

            Custom Colored Muffler and Endcap   +    $114.90

               Total cost with color option             =    $713.90

Purchase Options : Additional cost of anodizing
#FB4-A3PCO $129.95 3-piece package; Muffler, End Cap and Turndown
#FB4-A1ECO $24.95 End Cap ONLY
#FB4-A1TDO  $24.95 Turndown ONLY
#FB4-A1MFO  $89.95  Muffler ONLY
     
Custom Blue
Custom Colored End Caps
Custom Colored Mufflers
Custom Colored Turndown


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JE Forged Piston Kits  
Standard and Big Bore forged pistons available- Call for details.
   
See chart in JE Piston section for part numbers
    JE Piston
FCR Carburetor 40mm
#K-FCR-40- $599.00
* Throttle and cable additional cost
Throttle and Cable Options: Call for details
  40 MM FCR
 

 
 
 
  40 MM FCR Installed
   
Vortex Ignition  
#VT-140S  $499.00
·Instant Plug-In Performance · 10 Selectable Power Curves · V Boost Booster for Maximum Spark Energy ·Programmable Rev Limit-Race Proven performance and Reliability · 12 Month Warranty from DOM.
    Vortex CDI
NOTE: Ignition curve advance limited because of stock flywheel pick up location. Only allows limited ignition curve modification. Moderate power gain in low to mid range.
To purchase the Vortex click here  
Chain Guards (1999-2004) silver, red, black     
#DR-14CG $29.95
 
 
  Chain Guards
 

 
 
To purchase the Chain Guard click here
Chain Guard Installed
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PC 4000 Power Cylinder Kits
PC 4000 Kit
· Made in US · Superior Casting Quality
· Stud Depth Increased by .250" for Enhanced Strength · Custom Designed ARP Studs

440cc Cylinder Kit  

#PC-4044   $1095.00
450cc Cylinder Kit    #PC-4050  $1095.00
465cc Cylinder Kit   #PC-4065  $1095.00
* Bare Cylinder w/Studs  #PC-4005  $495.00
*Sold with no piston, customer must install sleeve and finish.  

·NOTE 1: Cylinder Kits include studs, JE forged piston kit, head gasket, base gasket (450cc & 465cc), and sleeve (installed and bored).
·NOTE 2: 440cc Kit is a bolt-on kit.
·NOTE 3: 450cc and 465cc Kits require case machining.

Replacement Head Gasket    




440cc #BB-1440 $49.95
450CC #H-5050 $39.95
465CC #H-5065 $39.95
450CC-465CCBasegasket #H-802F $9.95
    Replacement Head Gasket-Big Bore
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DRI HP4 Valve Train Kits
· In House Cylinder Porting & Valve Seat Machining · Flow Bench Tested-Big Valves ·Heavy Duty Valve Springs ·Shortened Guides ·High Performance Camshafts
HP4 Kit with DRI Porting & SERDI Valve Seat Machining
#DR-196KP $1195.00
DRI HP4 Kit with Porting
·INCLUDES: DR Porting, SERDI Valve Seat cut, Hardfaced camshaft (see options below), HD Valve springs, 4 shortened guides, 4-piece Big Valve Kit (+1mm IN, EX) * Head will be reassembled by DRI
*Notes: 1, 4, 5
·PERFORMANCE GAIN: up to 5 HP*
*Results vary depending on camshaft profile and piston compression.
 
HP4 Kit without DRI Porting
#DR-196K $775.00
·INCLUDES: Hardfaced camshaft (see options below), HD Valve springs, 4 shortened guides, 4-piece Big valve kit (+1mm IN, EX)
* This kit does not include DR porting and SERDI Valve seat cut
**Kit must be installed by a trained professional

*Notes: 1, 4, 5
 
DRI HP4 Kit w/o Porting
·CORES REQUIRED: Stock Camshaft, Head. No Billet camshaft available for this model
·NEW CORE PRICING: Head $549.00, Cam $196.00
·INSTALLATION: Kit must be installed by a trained professional
·DELIVERY TIME: 2-4 weeks
X1H Grind Camshaft X2H Grind Camshaft X6H Grind Camshaft
Part #: MC-196X1-H Part #: MC-196X2-H Part #: MC-196X6-H
Specifications: Bottom/Midrange Cam, Lift: .346", Duration
246°
Specifications: Midrange/Top End Cam, Lift: .378", Duration 254° Specifications: Maximum Top End Cam, Lift: .402"/.385", Duration 270°/262°
Application: Woods/Cross Country Application: Motocross/Sand Dune Riding Application: TT/Drag Racing
Notes: 1, 4, 5 Notes: 1, 4, 5 Notes:: 1, 2, 3, 4, 5
·NOTES:
1.HD Valve Springs are required for this camshaft.
2.Shortened Bronze Guides are required for this camshaft.
3.New or modified piston required for this camshaft. Additional valve pocket relief in piston is required due to increased camshaft lift.
4.Customer must send in stock camshaft core. If no core is supplied, customer must pay core charge of $195.00
5.Customer must send in stock rocker arm cores. The poor quality of the OEM hardfacing requires that the rocker arms be re-hardfaced to match the camshaft. The price for hardfacing rocker arms is $69.00 per arm (4 qty). This is mandatory for warranty. If no cores are supplied, customer must pay rocker arm core charge of $144.00.
*No Billet camshaft available for this model.
*Customer must send DRI their stock cylinder head for modification
Camshafts (stock core required)

Camshafts sold separately · Hard Faced Made in the USA
Grind options and application notes listed above
X1 #MC-196X1-H  $239.00
X2 #MC-196X2-H  $239.00
X6 #MC-196X6-H $239.00
*Core charge $196.00 if no useable stock core is supplied Camshaft
Hardface Rocker Arms
#MC-196-RA $69.00 ea.
*Customer must send in cores for modification or pay core charge
·Rocker hardfacing is mandatory for cam reliability. Each engine use 4-rockers.
 
Rocker Arms
Valve Spring Kits    



HD Springs with titanium retainers. Required with all DRI camshafts
HD Spring Kit with Titanium Retainers #KW3111 $175.00
     
 
 
  HD Valve Springs
Shortened Bronze Guides #30-3120 $19.95 ea.  
 
 
 
  Shortened Bronze Guides
 


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HINSON Billet Clutch Basket



Billet Clutch Basket

#H056 $249.99
· CNC Machined from T-6 7075 Billet aluminum
·
All Hinson clutch components are treated with a Unique Akadize process, Lovett, for maximum durability.
·
Hinson Clutch Baskets are stronger; wear longer, lighter and machined to enhance the oiling of the clutch
To purchase the Hinson Clutch Basket click here  
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K & N Filter  
#HA-4099 $62.95
#Q-165-45T $19.95
Outerwear  
To Purchase the K&N Filter Kit click here
    400EX K&N Filter & outerwear
Pro Flow Kit
(flange w/Uni w/wrap)
 
#PD-212  $99.95
#PD-212A $45.00  
(Uni replacement Filter)    
     
K&N Pro Flow Kit
(flange with K&N w/ outerwear)
 

#PD-213  $139.95
#PD-213A $69.95
(K&N Replacement for Pro Flow)  
#PD-213C  $24.95
(Outerwear)  
To Purchase the Pro Flow Kit click here 400EX Pro Flow Kit
 
 
Complete Engine Rebuilding 
(Tear down & Reassembly)
#ER-4445     $650.00
Head Port and SERDI Cut #PO-4VLV-VJ $495.00
(includes R & R guide)      
Cylinder Bore & Hone  #MS-704S   $75.00
Valve Job  #MS-8004  $200.00
Cylinder Sleeve  #MS-6000  $195.00
Complete Engine Disassembled
(Install, Bore, Surface)         
Flywheel Mod   #MS-5000 $85.00  
*ALL ENGINE SERVICE PRICES PLUS PARTS.  
 
 
LOBO II FRONT SUSPENSION KITS  


#RD-LB214F $2995.00
·Made in USA-4130 Chromally Oversized Gullwing Lower A-Arms · Maximum Wheel Travel-Enhanced Steering · Linear Motion Ratios Improves: Braking, Weight Transfer and Corner Stability · Encapsulated Upper Ball Joints · Desert-Motocross-Multiple Shock Options:Elka-Fox-Axis · All Kits Include Crown Steel Braided Front Brake Line Kit
LOBO II F. Suspension Kit
Includes: Lobo A-Arms, Axis or ELKA shocks, Tie Rods, CROWN Brake Lines, Upper & Lower A-Arms come powder coated.

LOBO II F. Suspension Installed

 
For chrome Plates upper arms add $250.00  
For custom powder coat colors in additional charge may apply  
DR Chrome Front Bumper

#DR-4000 $179.00

· Made in USA-Mild Steel-Heli-Arc Welded · Triple Plate Chrome · Fit Pre-checked on All Bumper·

* Text Black Front Bumper available by special order only.
Please call for details

To purchase the DRI Chrome Front Bumper click here DR Chrome Front Bumper
   
Roll Design SWINGARM       

* Special order ONLY- Call for details
#DR-SW14  
Chain slider add $90.00
     
ELKA Rear Shock  
Dual Rate    
from $879.00  
AXIS Rear Shock  
from $795.00  
Roll Design Steering Shaft     
Anti Vibe handlebar mount kit sold separately  
#402203 $349.95  
(Black Only-Cast Stainless Head)
(Standard [stock bars] or Extended [T2 M/C type bar] Length)
 
 
Anti-Vibe Handlebar Mount Kit
Roll STD (7/8)      
#4766  $89.95  
Roll Oversized (1 1/8)  
#4734 $89.95  
     
“CROWN” Series Brake Lines (Std. or +2)      
Front Std. #CR-5400  $109.50
Front +2 #CR-5425  $109.50 
Rear #CR-5450 $39.95
Available in: red, blue, yellow, smoke, clear       
 
To purchase the CROWN Series Brake Lines click here
 
Front Brake Line
ROLL ATV Foot Pegs 
#302203-K $199.00
* Available in Textured Black Only
To purchase the Roll Foot Pegs click here
 
 
Foot Peg - Kick Up
Skidplates 

*Call for more details
Swingarm $159.95
Engine (Gylde) $124.95
Chassis $49.95
   
     
TEAM FIRESTICKS AXLES +3

#TM-0201-2001   $449.00
*Uses stock OEM hubs (not included)
**TEAM has discontinued axles that use their rear wheel hub.
Replacement hubs are still available in limited quantities. Call for Details
*** Starting in mid ’07 TEAM has built all of their axles to use stock OEM rear wheel hubs.
Millennium Rear Bearing Carrier  
#TM-0201-3003 $299.00  
Anti-Fade Axle Lock Nut
 
#TM-0201-4001 $249.00  
     
ELKA Front Shocks (for stock a-arms or other brand)
Elka
Call for details and pricing
   
See chart in Suspension product section for part numbers
 
 
GPR STEERING STABILIZERS
GPR Low Boy V-1 ATV Stabilizers are available in Standard and Remote.GPR’s Low Boy Remote includes an adjustable handlebar mounted adjuster-
for adjustment on the fly. 
V-1 series offers Hi-Lo speed adjustment simultaneously. 360° of adjustment.        
Stabilizers and mount kits are made from aircraft 6061 T-6.
*Standard Low Boy Stabilizers are available in Red, Blue, or Black anodizing.  
**Remote Stabilizers available in Black only
*Mount Kits available in Black only
STD GPR Low Boy
GPR Standard Low Boy Dampners Color Choices
#GPR-1400-LB $450.00
To Purchase the GPR STD Low Boy Remote click here
   
GPR Low Boy Remote
#GPR-1400-LBR $495.00
    GPR Low Boy Remoter
   
   
To Purchase the GPR Low Boy Remote click here
 
  Low Boy Remote Handlebar Dial
Rotors Front or Rear (sold each)


Pads $34.50
Rotors $139.00
Galfer Rotors
Laser cut-To assure perfect flatness and no stress to the material. (Most other competitor’s rotors are stamped and can warp just during that process).
Galfer Pads
1054 Semi-Metallic compound (black)-Extremely versatile compound built to suit most of your costumers needs. Semi--metallic carbon based compound was made to hold abrupt temperature changes as well as to work excellent in wet or dry conditions.
   
Motion Pro  

Vortex Cable $16.90
CR Throttle Cable $17.95
See chart in Motion Pro product section for part numbers
  Motion Pro Throttle Cables
Billet Shifter    

#DR-DR-2ZAS
(STD Length) 
$89.95
   
   
Billet Shifter
IMS 4.3 Gal. Tank (blue, red, natural, black, yellow)      

#12-2227 $274.00
   
     
Shockwears 

Duncan Racing Shockwears
#SW-501 $39.95 set

·Made for DRI by the Outerwears Co.
·Manufactured from durable, water repellant denier nylon
·Easy Installation
*Call for availability & colors

Duncan Racing Shockwears




 
Duncan Racing Elka Shockwears
$45.00 Set  

·Manufactured from durable, water repellant denier nylon
·Equipped with Bones, plastic inserts to help keep the material from getting pinched in the springs
·Designed to protect shocks from, mud, dirt and sand Vented for cooling air ·Duncan Racing & Elka Suspension Logos
·Easy Installation
*Call for availability & colors
*NOTE: Shockwears come in a front pair only and are designed for use with long travel shocks.

*Call for availability & colors
    Duncan/Elka Shockwears
Seat Bracket      
#H-121    $59.95  
Shrouds Bolt-On  
#H-126-ADB $69.95  
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DRI/ONE Graphic-Seat Cover Kit
* 2004-2005 Kits have been discontinued
Red  #DR- DUN4GS-RD  $129.95
Yellow #DR-DUN4GS6-YW $129.95 DR Graphics & Seat Cover Kit-Red
Pink  #DRDUN4GS6-PK $129.95
     
     
      DR Graphics & Seat Cover Kit-Yellow
     
To purchase the DRI Graphic & Seat Cover Kit click here
 
  DR Graphics & Seat Cover Kit-Pink
   
"4-Stroke" Decal Kits (call for colors and availability)

#DR-874  $19.95
DRI 4-Stroke Decal Kits are 11 in. x 17 in. filled with different sizes of multiple DRI brand logos including; Fat Boy 4, Duncan Racing, DR Icon and duncanracing.com.

Made from high quality 15 mil adhesive, built to last.
To purchase the Decal Kit click here  
   
Rear Fender Decal Strips  
"4-Stroke" Red #DR-RF-D45-R $18.95
     
"4-Stroke" Blue   #DR-RF-D45-B $18.95
     
"4-Stroke" Silver/Red   #DR-RF-D45-SR  $18.95
     
"4-Stroke" Silver/Blue #DR-RF-D45-SB $18.95  
       
     
To purchase the DRI Rear Fender Decals click here
     
   
 
DR Number Plates (3pc set)
     
** Please Note: These are the DECAL BACKGROUNDS and not the plastics
     
WHITE #DR-850 $24.95 Red Black
BLACK #DR-825 $24.95
RED #DR-840 $24.95
BLUE #DR-830 $24.95
YELLOW #DR-835 $24.95
GREEN #DR-827 $24.95
     
 
To purchase the Number Plates click here