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The Official Duncan Racing ATV Buyers Guide


YOUR GUIDE TO THE SUZUKI LTZ 400


ENGINE

S-1 Kit

BOLT-ON KITS

STAGE 1 Kit (S-1) 

#BK4-2Z40   $692.00

Includes: Complete Fat Boy 4 Exhaust System (with STD Muffler), Jet Kit, Pro Flow Air Cleaner Kit (Pro Flow flange, K&N, Outerwear)

To purchase the S-1 Kit click here

Excellent Start Up Performance Mods. Stage 1 Power Kits are designed to work with most DRI engine kits. For a slightly more aggressive Bolt-On kit check out the DRI stage 2 S-2 HPV Bolt Kits.

STAGE 2 Kit (S-2) 

#BK4-2Z40-VHP    $1239.00

Includes: S-1 Bolt on Kit (Complete Fat Boy 4 Exhaust System (with STD Muffler), Jet Kit, Pro Flow Air Cleaner Kit (Pro Flow flange, K&N, Outerwear), Vortex X10 CDI, DRI Graphic & Seat Cover Kit.

To purchase the S-2 Kit click here


Power Gains:
15-20% gain in HP
*Choice of Graphic and Seat cover color where applicable.

(White/Blue,White/Yellow)

S-2 Kit White/Yellow
S-2 Kit
435cc National Kit

Engine Kits: 435cc NATIONAL Kit                    

#EK-24NT-43        $1995.00

Not available online- Please call DRI to purchase
Includes:
Fat Boy 4 Complete Exhaust System, 435 Piston kit, Cylinder Bore and ReNikasil, Steel head gasket Camshafts, HD Valve Springs w/Titanium Retainers, Shortened Bronze Guides, DR Head Porting (with guides out), 3-Angle Valve Job, Instructions, DR Tech Support.

· Price plus any necessary parts. Example: Guide Seals, Valves, Gaskets, etc. is
additional cost.

*Kit price with Vortex X10 CDI and Edelbrock Carburetor Kit $ 2895.00

Power Curve Camshaft Profile Options;
        Midrange Camshafts # 327-X94
        Top End Camshafts # 327-X510

Porting: Flow Tested Design done in house by DRI Technicians. Intake Manifold Matched

Compression: 12-1

Cores Required: Cylinder, Head, Camshafts, and Intake Manifold
Customer must send in their cylinder to DRI for porting modification or purchase new.

Clutch Kit & Basket

Recommended Additions:
DR Clutch Kit ('03-'04)                              #DR-C24        $175.00

DR Clutch Kit ('05-'07)                              #DR-C2405     $189.00
Hinson Billet Clutch Basket
('03-'04)         #H-095          $230.00

Hinson Billet Clutch Basket ('03-'07)         #H-252          $230.00

Pro Flow Air Filter Kits
(Billet A/C Flange,K&N Filter, Outerwear)   #PD-220         $129.95
(Billet A/C Flange, Uni Foam Filter)            #PD-221         $99.95   

Edelbrock Carburetor Kit

Upgrade Options:

Keihin 40mm FCR Carburetor            #K-FCR40-ST      $599.00
Edelbrock Carburetor Kit (thumb)             #3157            $445.95
Edelbrock Carburetor Kit (twist)               #3158            $445.95
Vortex X10 Ignition
('03-'04)                    #VT-2400        $399.00

Vortex X10 Ignition ('05)                         #VT-2405        $399.00

 

Performance: 50% Upgrade over stock
Reliability: 85% of stock reliability

Application Recommendations:
XC/Low End: Cross Country/Tight Woods Riding and or Racing

Midrange: Motocross, Sand Dune Riding, Trail Riding, Gran Prix Races,
*Best Overall Power Band

Notes: Great combination for Performance, Reliability and Value

470cc National Kit

Engine Kits: 470cc NATIONAL Kit                     
#EK-24NT-47
                $2495.00

Not available online- Please call DRI to purchase

Includes: Fat Boy 4 Complete Exhaust System, Stroker Crankshaft, Forged Piston kit, Cylinder Bore and ReNikasil, Steel Head gasket Camshafts, HD Valve Springs w/Titanium Retainers, Shortened Bronze Guides, DR Head Porting (with guides out), 3-Angle Valve Job, Instructions, DR Tech Support.

· Price plus any necessary parts. Example: Guide Seals, Valves, Gaskets, etc. is additional cost.

· Complete engine must be disassembled to remove stoke crankshaft and install stroker crankshaft. DRI offers this service at an additional price. ($495.00 +parts)

*Kit price with Big Valve Kit $ 2725.00

**Kit price with Vortex X10 CDI and Edelbrock Carburetor Kit $ 3395.00

Power Curve Camshaft Profile Options;
        Midrange Camshafts # 327-X94
        Top End Camshafts # 327-X510

Porting: Flow Tested Design done in house by DRI Technicians. Intake Manifold Matched

Compression: 12-1

Cores Required: Cylinder, Head, Camshafts, Intake Manifold, and Crankshaft
Customer must send in their cylinder to DRI for porting modification or purchase new.

Recommended Additions:
DR Clutch Kit ('03-'04)                              #DR-C24                       $175.00
Hinson Billet Clutch Basket
('03-'04)         #H-095                         $230.00

Pro Flow Air Filter Kits
(Billet A/C Flange,K&N Filter, Outerwear)    #PD-220                        $129.95
(Billet A/C Flange, Uni Foam Filter)             #PD-221                         $99.95

Upgrade Options:

Keihin 40mm FCR Carburetor                 #K-FCR40-ST                 $599.00
Edelbrock 36mm Carburetor Kit (thumb)  #3157                            $445.95
Edelbrock 36mm Carburetor Kit (twist)    #3158                            $445.95
Edelbrock 38mm DE Carburetor Kit                                              CALL
Vortex X10 Ignition
('03-'04)                    #VT-2400                        $399.00

Vortex X10 Ignition ('05)                         #VT-4705                        $399.00

Performance: 65% Upgrade over stock
Reliability: 75% of stock reliability

Application Recommendations:
Great Open Class motor, Strong overall power band.
Great for Track or Trail

Notes: Clutch upgrade is mandatory on this kit. Kit must be installed by a skilled technical


INDIVIDUAL ENGINE COMPONENTS
(all items may be purchased separately)

Fat Boy 4

FAT BOY 4 Complete Stainless Exhaust System              

#FB4-ESZ400         $599.00

To purchase the Fat Boy 4 click here

FAT BOY 4 HQ Complete Stainless Exhaust System
#FB4-ESZ400-HQ     $649.00

Features: 30% larger volume, redesigned packing and core. Reduces sound output by 3-4 dB.

To purchase the Fat Boy 4 click here

Fat Boy 4

FAT BOY 4 HQ Muffler 
#FB4-HQSZ400
       $269.00

*Replaces standard Fat Boy 4 muffler on existing exhaust system.

Optional Fat Boy 4 Accessories       

#FB-4A250   $39.95   Turndown  (bolts on w/o-ring)                   

#06-554      $17.95     Spark Arrestor (requires turndown)

QP-2 Quiet Tip

#FB4-QP-2   $129.95

Bolts on rear end cap of Fat Boy 4.

Lowers DB readings a minimum of 2-3 dbs.

Forestry approved when used with screen.

* Note: Some rejetting may be required.

** Available in silver only
To purchase the QP-2 Quiet Tip click here

QP 2 with screen
Fat Boy 4 with QP-2

To purchase Fat Boy 4 Accessories click here

To purchase Fat Boy 4 Replacement Parts click here

  
Custom Colored FAT BOY 4 Mufflers

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.


Purchase Options :

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 Color prices are in addition to the regular Fat Boy 4 price

Example: LTZ400 Fat Boy 4 Complete Exhaust System-       $599.00

               Custom Colored 3-piece package                   +    $129.95

               Total cost with color option                            =    $728.95

Custom Black
Custom Blue
Custom Red
Custom Colored End Caps
Custom Colored Mufflers
Custom Colored Turndown


435cc Kits
          $399.00
(12-1 Forged Piston, steel head gasket, Bore & ReNikasil)

Replacement Head gasket                                

#H1045027S           $35.00

 


CAMSHAFTS

LTZ400 Camshafts

#327-X94H             $309.00
Bottom/Midrange Intake: .385" lift/ 248° duration        
Exhaust: .370" lift/ 252° duration


#327-X510H           $309.00
Top End Intake: .427" lift/ 257° duration                     

Exhaust: .385" lift/ 252° duration

*Customer must send in stock camshafts, or pay core charge

 

HD Valve Springs & Shortened Bronze Guides

Valve Spring Kits

HD Valve Springs & Titanium Retainers   

#60-60045      $165.00

Shortened Bronze Guides                         

#60-6060        $19.95 ea

 

Keihin 40mm FCR Carburetor             

#FCR40-ST     $599.00

 

 

Edelbrock Carburetor Kit

Edelbrock Carburetor Kits (36mm)


Edelbrock Carburetor Kit (thumb)           

#3157                   $445.95


Edelbrock Carburetor Kit (twist)              

#3158                   $445.95
*Call for 38mm DE model Carb

 

VORTEX IGNITIONS

Vortex X10 Ignition ('03-'04)                           

 #VT-2400         $449.00

To purchase the Vortex X10 '03-'04 click here

Vortex X10 Ignition ('05)                                 

#VT-2405         $449.00

To purchase the Vortex X10 '05 click here

 

Pro Flow Air Filter

Pro Flow Air Filter Kits  (Billet A/C Flange,K&N Filter, Outerwear)  
#PD-220          $129.95

To purchase the Pro Flow Air Filter Kit click here

 

 

 

Pro Flow Air Filter

(Billet A/C Flange, Uni Foam Filter)                   

#PD-221          $99.95

To purchase the Pro Flow Air Filter Kit click here

 

 

CLUTCH

Clutch Kit & Basket

HINSON Billet Clutch Basket             

#H095 ('03-'04)                    $230.00

#H252  ('05-'07)                   $230.00   

To purchase the '05- '07 Clutch Basket click here

 

DR HD Clutch Kit (Fiber,Steel & HD Spring Kit)

#DR-C24        ('03-'04)        $175.00

To purchase the Clutch Kit click here


#DR-C2405     ('05-'07)        $189.00

To purchase the Clutch Kit click here



ENGINE SERVICES
 

Complete Engine Rebuilding

#ER-4445   Complete Engine Rebuilding                        $650.00

(Tear down & Reassembly)  

Head Port and Valve Job (includes R & R guide)              $495.00

3-Angle Valve Job                                                          $140.00

Cylinder Sleeve Install, Bore, Surface                           $195.00

Flywheel Mod                                                                 $85.00

*ALL ENGINE SERVICE PRICES PLUS PARTS.

 


CHASSIS

LOBO II Kits

LOBO II Front Suspension Kits             

#RD-LB240F       $2995.00
Includes:
Lobo A-Arms, Axis or ELKA shocks, Tie Rods, CROWN Brake Lines
Upper & Lower A-Arms come powder coated.
For chrome plated upper arms add $150.00.  

Swingarm

Roll Design SWINGARM                                 

#RD-SW40          $1395.00
Chain slider add $ 90.00
*Must use round housing rear carrier, to be purchased at additional cost

 

ELKA Rear Shock Elite/ Dual Rate           

Elka Rear Shock

from    $795.00


Elka Rear Linkage                                

#EL-40LK   $265.00

 

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
           

GPR Standard Low Boy

#GPR-12Z40-LB   $450.00

To Purchase the GPR STD Low Boy Remote click here

STD GPR Low Boy
Dampners Color Choices

GPR Low Boy Remote

#GPR-2Z40-LBR   $495.00

To Purchase the GPR Low Boy Remote click here

GPR Low Boy Remoter
Low Boy Remote Handlebar Dial

 

Roll Design Steering Shaft                            

#405201    ('03)         $349.95

#405201-T ('04-'06)    $349.95
(Chrome, Cast Stainless Head)
(Standard [stock bars] or Extended [T2 M/C type bar] Length)

Anti-Vibe Handlebar Mount Kit  (std 7/8 or oversized 11/8)                                         $89.95

DR Chrome Front Bumper

DR Chrome Front Bumper                            

#DR-2Z40        $179.00
*ON SALE       $125.00

To purchase the Chrome Front Bumper click here

 

 

 

"CROWN" Series Brake Lines (std or +2")
Front (std)        #CR-5200        $109.50
Front(+2")         #CR-5225        $109.50
Rear                 #CR-5250        $39.95
Color Options: Red, Blue, Yellow, Smoke, Clear, Green

 

ROLL ATV Foot Pegs

ROLL ATV Foot Pegs DISCONTINUED              

#305201-K        $199.00

 

TEAM FIRESTICKS AXLES +3                       

#TM-0201-2201     $449.00

*Uses stock OEM hubs (not included)
**TEAM has discontinued axles that use their rear wheel hub.
Replace 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.

 

TEAM Rear Bearing Carrier    

#TM-930672     $249.00

 

Billet Front Hubs

Billet Front Hubs  DISCONTINUED

(Hub Cap colors: silver, red, black, blue)    

#DR-2FH4        $339.00

 

 

 

Axle Upgrade Kit

AXLE Upgrade Kit      $825.00
(upgrades LTZ Rear End to 250R Rear End)
Includes: Axle, 250R Braking Disc, 250R Rear Caliper, and R. Disc Bolts

 

Skidplates
Swing arm      #04-2525          $94.95
Glide Plate
     #04-2535         $109.95

 

Rotors
Front WAVE     #DF894W          $130.00
Rear WAVE      #DF048W          $130.00

 

Braking Brake Pads (sold each caliper)
Front               #703                    $29.99
Rear
              #686                     $29.99

 

ELKA Front Shocks (for stock a-arms or other brand)


Replacement Model (no Reservoir, dual rate)                       from $515.00


Sport Model
(Piggy Back, dual rate, comp adj.)                      from $715.00


Sport Model Rear Shock                                                 from $745.00


 

ACCESSORIES

Tag Handlebars

TAG Handlebars  

                   

Oversized T2 Bars                 $94.95


Stock style X5 Bars               $79.95 

 

Motion Pro


CR Throttle and Cable (stk carb)                  

#01-0563           $41.20


Vortex Throttle and Cable (stk carb)             

#01-0562           $65.00

Clutch Cable
#04-0229            $34.50
                                                                          


Chain Guard  (silver, red, black, green, gold)                                          

Chain Guard

#DR-CG24        $29.95




Billet Shifter
                                               

#DR-2ZAS        $89.95

IMS Tank

IMS 4.0 gal Tank   (white, natural, black, yellow)                                       

#12-5511        $225.00

 

 

Aluminum Nerf Bars

Aluminum Nerf Bars
STD                                        

#DR-4525                $189.95


Pro Pegs
 w/Heel Guards        

#DR-5525                $309.95

Aluminum Grab Bar                                    

#GB-1525      $54.95

 

Shrouds Bolt On


Shrouds Bolt-On                                           

#SK-128-ADB   $69.95 


C/S Sprocket (14, 15, 16)                             

#SR-CS24-      $26.95

 

Shockwears      $59.00 set

 

DRI/ONE '06-'07 Graphic-Seat Cover Kit

* 2004-2005 Kits have been discontinued

Yellow           #DR-DUNS46-YB        $129.95

Blue               #DR-DUNS46-WB      $129.95

To purchase the Graphic & Seat Cover Kit click here

'06-'07 Graphic Seat Cover Kit- Yellow
'06-'07 Graphics seat Cover Kit- Blue

 

 

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 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
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

Red
Black
White
Blue
Yellow
Green