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DRI BUYERS GUIDE-YAMAHA RAPTOR 250
| Duncan Racing International, Inc - 10734 Kenney Street Suite.A Santee, California 92071 USA |
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*DRI's Buyers Guides are GRAPHIC INTENSIVE and may take a moment
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Buyers Guide Shortcut Links
Prices subject to change without notice |
* Please check back often-New items being developed and added!
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Easy Installation · Unlimited Tech Support · Excellent Start Up Performance Mods.
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·INCLUDES: S-1 Bolt on Kit , Complete Fat Boy 4 Exhaust System (with STD Muffler), Jet Kit, Pro Flow Air Cleaner Kit (Flange, Uni Foam Filter and Foam wrap), Vortex X10 CDI, DRI Graphics.
·PERFORMANCE GAIN: 25% +HP
·INSTALLATION: 2-3 Hours
*Choice of Graphic color Blue or Black |
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| To purchase the Stage 2 Kit click here |
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National Kit
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| Yamaha Raptor 250 “National Kit” |
| #EK-32RN |
$1499.00 |
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Raptor 250
National kit |
| Yamaha Raptor 250 “280 National Kit” |
 
Raptor 250 National Kit
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| #EK-32RN-280 |
$1799.00 |
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·INCLUDES: Fat Boy 4 Complete Exhaust System,
STD Bore Forged Piston or
280cc Big Bore Piston Kit Big Bore Headgasket,Cylinder Strip-Bore-Replate to fit 280cc,
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: 30%-40%+ HP over Stock depending on Camshaft and compression option.
·COMPRESSION OPTIONS: Compression: (STD bore 250cc) 10-1, 12-1
Compression: (280cc) 10-1, 12-1
CAMSHAFT OPTIONS: (stock core required) Camshaft-Low End/Baja-#87,
Camshaft-Midrange #40,
Camshaft- Midrange/Top End #260-X2 (to see options below click here)
·FUEL: 10-1 93 Octane Pump Fuel, 12-1 and up 105-112 Race Fuel Octane
·AIR/FUEL: Rejet stock carburetor.
*Call for carburetor options.
·AIR CLEANER: Recommend Pro Flow Air Cleaner Kit in stock airbox with no lid.
·CORES REQUIRED: Cylinder, Head, Camshaft
*Cylinder not required on 250cc kit.
·NEW CORE PRICING: Head $297.00 , Cylinder $376.00, Camshaft $110.00
| ·UPGRADE OPTIONS: |
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| Vortex Ignition |
#VT-3250 |
$499.95 |
| Pro Flow AC Kit Foam |
#PD-273 |
$109.95 |
·DELIVERY TIME: 3-4 weeks
·NOTES: Kit Price is plus any OEM parts.
Customer must send in to DRI their; Cylinder, Head, (or purchase new cores) |
Raptor 250 "280"
National Kit |
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FAT BOY 4 Complete Stainless Exhaust System
(with Standard Muffler) |
 
Fat Boy 4 profile
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| #FB4-EY3250 |
$499.00 |
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| To purchase the Fat Boy 4 System click here |
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Fat Boy 4 Exhaust System |
| *No HQ Muffler Available |
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| Optional Accessories |
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Fat Boy 4-Off
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| #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. |
 
Fat Boy 4 Turn Down |
| QP-2 Quiet Tip ** Available in silver only |
Fat Boy 4 Turn Down |
| #FB4-QP-2 |
$129.95 |
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Fat Boy 4 w/QP2
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·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. |
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| To purchase the QP-2 Quiet Tip click here |
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Fat Boy 4 with QP-2 |
| To purchase Fat Boy 4 Accessories click here |
 
QP2 w/Screen
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| To purchase Fat Boy 4 Replacement Parts click here |
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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:
Raptor 250Fat Boy 4 Complete Exhaust System- $499.00
Custom Colored Muffler and Endcap + $114.90
Total cost with color option = $613.90
| 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 |
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Custom Blue Fat Boy 4 |
Custom Blue |
 
Anodized End Caps |
Custom Colored End Caps |
 
Colors Available |
Custom Colored Mufflers |
 
Colored Turndowns |
Custom Colored Turndown
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| JE Forged Piston Kits |
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JE Forged Pistion Kit
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| Kit Includes: JE forged piston, pin, clips and rings |
| STD Bore |
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| Raptor 250 Piston Kit, 12-1 STD 74.00mm |
#273097 |
$225.00 |
| Raptor 250 Piston Kit, 10-1 STD 74.00mm |
#275868 |
$225.00 |
| Raptor 250 Piston Kit, 13.5-1 STD 74.00mm |
#294505 |
$225.00 |
JE Piston |
| *The Above Pistons Require Cylinder Hone |
 
JE Piston 13.5-1
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JE Piston 13.5-1 |
| Big Bore |
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JE Forged Pistion Kit
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| Raptor 250 Piston Kit, 10-1 78.00mm, 280cc |
#273098 |
$225.00 |
| Raptor 250 Piston Kit, 12-1, 78.00.mm, 280cc |
#273099 |
$225.00 |
| *The Above Pistons Require Cylinder Strip-Bore-Replate |
| *If customer sends in their stock cylinder the strip bore and replate modification is $295.00 |
| Customer may also purchase new cylinder from DR for $339.00 |
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| Big Bore |
 
Big Bore Kit
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| Kit Includes: Piston and Headgasket |
| 280CC Kit (10-1) |
#41-3098 |
$275.00 |
| 280CC Kit (12-1) |
#41-3099 |
$275.00 |
| 280CC Kit (13.5-1) |
#41-3100 |
$275.00 |
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| *NOTE: Cylinder must be stripped, bored and re-nikasiled at an additional cost |
| Replacement
Head Gasket |
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Replacement Head Gasket
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| #H-5XT |
$39.95 |
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| Purchase Examples: |
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| Customer sends in own Core: |
$0.00 |
Customer does not
send in Core: |
$376.00 |
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| Strip Bore & Replate |
$295.00 |
Strip Bore & Replate |
$295.00 |
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| Piston |
$225.00 |
Piston |
$225.00 |
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| Headgasket |
$39.95 |
Headgasket |
$39.95 |
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| Total: |
$559.95 |
Total: |
$935.95 |
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| Vortex
Ignition |
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Raptor 250 Vortex X10 CDI
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| #VT-3250 |
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| ·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. |
| To purchase the Vortex click here |
Vortex X10 CDI |
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Raptor 250 Vortex X10 CDI
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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-275KP |
$799.00 |
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·INCLUDES: DR Cylinder Head Porting , SERDI Valve Seat Machining and Professional Head Assembly. Hardfaced Made in the USACamshaft (see cam profile options below), HD Valve Springs w/Titanium Retainers, Shortened Valve Guides, Big Valve Kit (+1.0mm S/S Intake Valve)
*Notes: 1,2,3, 4 |
 
HP4 Kit with Porting
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| ·PERFORMANCE GAIN: up to 4 HP* |
HP4 Kit with Porting |
| *Results vary depending on camshaft profile and piston compression. |
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| Customer must send in stock cam core or pay core charge of $110.00 |
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| HP4
Kit without DRI Porting |
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| #DR-275K |
$359.00 |
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·INCLUDES: Camshaft (see cam profile options below), HD Valve Springs w/Titanium Retainers, Shortened Valve Guides, Big Valve Kit (+1.0mm S/S Intake).
* This kit does not include DR porting and SERDI Valve seat cut
**Kit must be installed by a trained professional
*Notes: 1, 3 |
 
HP4 Kit w/o Porting
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DRI HP4 Kit w/o Porting |
| ·CORES REQUIRED: : Cylinder, Head, Camshaft |
| ·NEW CORE PRICING: Head $297.00, Cam $110.00, Intake Manifold $28.98 |
| ·INSTALLATION: Kit must be installed by a trained professional |
| ·DELIVERY TIME: 2-4 weeks |
·CAMSHAFT OPTIONS:
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| DRI uses hardfaced cams built on stock cores. |
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·GRIND OPTIONS:
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| Grind Camshaft |
Grind Camshaft |
| Part #:260-40B |
Part #:260-87 |
| Specifications:Midrange Lift: .368”/.368", Duration 270°/268° |
Specifications: Bottom End Cam, Lift: .353”/.353", Duration 262°/257° |
| Application: Motocross |
Application: Baja/Cross Country |
| Notes: 1,2,3,4 |
Notes: 1,3 |
| ·NOTES: |
| 1.Customer must send in stock cam core or pay core charge of $110.00 |
| 2.Customer must send in head for modification or purchase new head from DRI. |
| 3.HD Valve springs required |
| 4.DRI custom matches the intake manifold to the intake port on all Raptor 250 heads.Customer must also send in stock intake manifold to be matched to Intake Port Once this process is completed it is unadvisable to change intake manifolds. This custom service is included in the porting process all clients have to do is send in their intake manifold with their head or purchase a new manifold from DRI. |
| Big Bore Kits and alternate compression ratio pistons are also available to use in conjunction with the HP4 Kit. Check the Big Bore Kit and Piston sections on our site for more info. |
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| Camshafts (stock core
required) |
 
Raptor 250 Camshaft
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| Camshafts sold separately · Hard Faced Made in the USA |
| Grind options and application notes listed above |
| #260-40B |
$149.95 |
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| *Core charge $110.00 if no useable stock core is supplied |
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Camshaft |
| Big Valve Kit |
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Includes: O.S Intake |
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| Valve
Spring Kits |
 
HD Valve Springs
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| HD Springs with titanium retainers. Required with all DRI camshafts |
| HD Spring Kit with Titanium
Retainers |
#VS-80550 |
$119.95 |
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HD
Valve Springs |
| Shortened
Bronze Guides |
#VG-80550 |
$19.95
ea. |
 
Shortened Bronze Guides |
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Shortened Bronze Guides |
| DRI Clutch Kit |
 
Clutch Kit
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| #DR-C325 |
$149.00 |
Fiber Plates, Steel Plates and Springs
To purchase the Clutch Kit click here
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Raptor 250 Clutch Kit |
Pro Flow Kit UNI
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Pro Flow Uni
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| #PD-273 |
$109.95 |
| (flange w/Uni w/wrap) |
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| #PD-273A |
$45.00 |
| (Uni replacement Filter) |
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There is no K&N Filter availible for the Raptor 250 |
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| To Purchase the Pro Flow Uni Kit click here |
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Complete
Engine Rebuilding
(Tear down & Reassembly) |
#ER-4445 |
$750.00 |
 
Complete Engine Disassembled
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| Head
Port and SERDI Cut |
#PO-2VLV-VJ |
$469.00 |
| (includes R & R guide) |
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| Valve Job |
#MS-8002 |
$140.00 |
| Flywheel
Mod |
#MS-5000 |
$85.00 |
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Complete Engine Disassembled |
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ENGINE SERVICE PRICES PLUS PARTS. |
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| Balancing/Lightening |
 
Crankshaft
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| Crankshaft Lightening Only |
#MS-LIGHT |
$249.00 |
| Crankshaft Balancing ( plus metal) |
#MS-BAL |
$250.00 |
| *Customer must supply stock crankshaft-Crankshaft must be in good condition |
| * Customer must supply gram weight of -piston assembly or piston assembly |
| New Crankshaft Lightend and Balanced |
#403-114LB |
$799.00 |
| * New Crank Supplied- No core required |
Raptor 250 Crankshaft |
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| LOBO
II FRONT SUSPENSION KITS |
 
Lobo II Front Suspension
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| #RD-LB232F |
$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 |
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| Includes: Lobo A-Arms, Axis or ELKA shocks, Tie Rods, CROWN Brake Lines, Upper & Lower A-Arms come powder coated. |
| For chrome Plates upper arms add $250.00 |
| For custom powder coat colors in additional charge may apply |
| “CROWN”
Series Brake Lines (Std. or +2) |
| Front Std. |
#CR-6700 |
$109.50 |
 
Raptor 250 Brakelines
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| Front +2 |
#CR-6725 |
$109.50 |
| Rear |
#CR-6750 |
$39.95 |
| Available in: red, blue, yellow, smoke, clear |
| To purchase the CROWN Series Brake Lines click here |
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Crown Brake Lines |
| DR
Chrome Front Bumper |
 
DR Chrome Front Bumper
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| #DR-3250 |
$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 |
| "4-Stroke" Decal Kits (call for colors and availability) |
 
4-Stroke Decals |
| #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 |
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| Rear
Fender Decal Strips |
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4 Stroke Rear Decals |
| "4-Stroke" Red |
#DR-RF-D45-R |
$18.95 |
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| "4-Stroke" Blue |
#DR-RF-D45-B |
$18.95 |
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| "4-Stroke" Silver/Red |
#DR-RF-D45-SR |
$18.95 |
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| "4-Stroke"
Silver/Blue |
#DR-RF-D45-SB |
$18.95 |
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| To purchase the DRI Rear Fender Decals click here |
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All
Contents Copyright © Duncan Racing International - All
Rights Reserved
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| Duncan Racing is a proud member of the following organizations: |
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