Many racers assume the XRAY XB4C'26 and XB4D'26 only differ in setup, but there are a number of hardware changes between the Carpet and Dirt kits.
Whether you're converting your car, ordering spares, or simply curious about the differences, this guide highlights every part that changes between the two models. As with all our comparison guides, we've checked the official XRAY manuals so you can quickly see which components are unique to each version.
Same Parts for Carpet and Dirt
- 106053 HUDY SET OF REPLACEMENT DRIVE SHAFT PINS 2.5x10 (10)
- 106210 HUDY GRAPHITE GREASE
- 106331 HUDY ULTIMATE SILICONE OIL 300 cSt - 100ML
- 106335 HUDY ULTIMATE SILICONE OIL 350 cSt - 50ML
- 107872 VELCRO TAPE WITH DOUBLE SIDED TAPE 8x500MM
- 107873 HUDY BUMPER & BODY SPACE SPONGE SET - 1.5, 3.0, 5.0MM
- 302663 COMPOSITE BALL JOINT 4.9MM - OPEN - V2 (8)
- 302665 COMPOSITE BALL JOINT 4.9MM - CLOSED WITH HOLE (4)
- 303122 ALU SHIM 3x6x1.0MM (10)
- 303123 ALU SHIM 3x6x2.0MM (10)
- 303129 COMPOSITE SET OF SHIMS 3x 3x6x1MM, 1x 3x6x2MM (2)
- 304980 COMPOSITE GEAR DIFF CROSS PIN
- 304990 DIFF GASKET (4)
- 306219 COMPOSITE SET OF SERVO SHIMS (4)
- 321291 COMPOSITE 5-WIRES HOLDER - SET
- 322051 COMPOSITE FRONT SHOCK TOWER INSERT (2)
- 322440 ALU ANTI-ROLL BAR COLLAR
- 322591 ALU SHIM 3x4.7x0.5MM (10)
- 322660 COMPOSITE BALL JOINT 5.4MM (12+1+1)
- 323357-G COMPOSITE UPRIGHT REAR - LOWER POSITION - GRAPHITE
- 323382 ALU REAR HUB PLATE FOR MULTI ADJ. UPRIGHT - 1-HOLE - SWISS 7075 T6
- 324172 COMPOSITE ADJUSTMENT BALL-BEARING HUB - 1+2+3 DOTS (2)
- 325327 REAR DRIVE SHAFT 77MM WITH 2.5MM PIN - HUDY SPRING STEEL™
- 325340-L REAR DRIVE AXLE LB FOR REAR UPRIGHT - LOWER POSITION
- 326177 COMPOSITE BATTERY CLAMP (2)
- 326240 COMPOSITE FAN HOLDER
- 327210 FRONT SUSPENSION PIVOT PIN (2)
- 329913-H 2WD/4WD REAR WHEEL AERODISK WITH 12MM HEX IFMAR - WHITE - HARD (2)
- 332540 ALU SERVO SAVER ADJUSTABLE NUT
- 332561 SERVO SAVER SPRING C=14
- 335030 DIFF BEVEL & SATELLITE GEARS (2+4)
- 352460 PIVOT BALL 5.8 (10)
- 352610 ADJ. TURNBUCKLE M3 L/R 45MM - SPRING STEEL - V3 (2)
- 356200 BRAKE/THROTTLE ARMS & STEERING SERVO ARMS - SET
- 359050 BALL-BEARING 5x10x4 STEEL SEALED - GREASE - V2 (2)
- 361116 XB4'26 ALU CHASSIS 2.0MM - SWISS 7075 T6
- 361189 CARBON REAR BODY POST HOLDER
- 361202 COMPOSITE FRONT BUMPER ALIGNED WITH CHASSIS
- 361278-H COMPOSITE CHASSIS SIDE GUARDS L+R - NARROW FRONT - V3 - HARD
- 361287-H COMPOSITE CHASSIS BRACE FRONT & REAR - NARROW - HARD
- 361320 BODY MOUNT, BATTERY MOUNT - V2 & WING SHIM (2)
- 361321 BODY MOUNT - SHORT + SHIMS - SET
- 361322 BODY MOUNT - EXTRA-SHORT
- 362006-C DIFF BULKHEAD HORIZONTAL SPLIT DESIGN FOR COLLAR - F/R - SET
- 362091 CARBON SHOCK TOWER HS BULKHEAD FOR WING – 2 DOTS - FRONT
- 362210-G COMPOSITE C-HUB 9° DEG. RIGHT - GRAPHITE
- 362220-G COMPOSITE C-HUB 9° DEG. LEFT - GRAPHITE
- 362251-G COMPOSITE STEERING BLOCK FOR CARBON EXTENSION PLATE - GRAPHITE
- 362270 CARBON EXTENSION FOR STEERING BLOCK (1+1) - 2 DOTS
- 362280 ALU CONICAL SHIM 3x6x2.0MM (10)
- 362290 STEEL STEERING BUSHING - SHORT (2)
- 362291 STEEL STEERING BUSHING - LONG (2)
- 362314 ALU LOWER SUSP. HOLDER FOR HS BULKHEAD - WIDE - FRONT-FRONT
- 362315 CLOSED ECCENTRIC BUSHING SET (2)
- 362316 OPEN ECCENTRIC BUSHING SET (2)
- 362324 ALU LOWER SUSP. HOLDER FOR HS BULKHEAD - WIDE - FRONT-REAR
- 362370 COMPOSITE INLINE HUB FOR BEVEL DRIVE GEAR - REAR HS BULKHEAD - 1+2+3 DOTS
- 362512 COMPOSITE SERVO SAVER FOR BALL-BEARINGS
- 362540 ALU SERVO SAVER MAIN SHAFT
- 362552 SERVO SAVER PIVOT SHAFT +5MM (2)
- 362581 CARBON STEERING BRACE
- 362650 BALL END 4.9MM WITH 6MM THREAD (2)
- 362658 HARD STEEL BALL END 5.4MM WITH 8MM THREAD - NICKEL COATED (2)
- 363241 BALL UNIVERSAL 5.75MM WITH BACKSTOP (2)
- 363317 ALU LOWER SUSP. HOLDER WIDE FOR HORIZONTAL SPLIT BULKHEAD (HS) - REAR-FRONT
- 363326 ALU LOWER SUSP. HOLDER WIDE FOR HORIZONTAL SPLIT BULKHEAD (HS) - REAR-REAR
- 363520 REAR WING POST - V2 (2)
- 364015 ALU MOTOR BULKHEAD - EXTRA LOW
- 364091 ALU ECCENTRIC INSERT FOR NARROW MOTOR BULKHEAD
- 364903-L GEAR DIFFERENTIAL - LIGHTWEIGHT - SET
- 364912 COMPOSITE GEAR DIFFERENTIAL CASE - LARGE VOLUME
- 364920 COMPOSITE GEAR DIFFERENTIAL COVER - LARGE VOLUME
- 364940 STEEL DIFFERENTIAL BEVEL GEAR FOR LARGE VOLUME DIFF 40T
- 364962-L GEAR DIFF OUTDRIVE ADAPTER - LIGHTWEIGHT (2)
- 365127 STEEL BEVEL DRIVE GEAR - FOR HORIZONTAL SPLIT BULKHEAD (HS) - 16T
- 365230 DRIVE SHAFT COUPLING - HUDY SPRING STEEL™
- 365356 ALU WHEEL HUB 12MM - 2 SLOTS - OFFSET +1.50MM (2)
- 365444 CENTRAL DOGBONE SHAFT UNIVERSAL JOINT - HUDY SPRING STEEL™
- 366054 COMPOSITE RADIO PLATE - SHORT
- 366143 COMPOSITE BATTERY HOLDER STAND - SHORT (2)
- 366161 SET OF O-RINGS (6x2, 6x3, 6x4, 6x5MM)
- 366204-K ALU MONOBLOCK SERVO HOLDER - SWISS 7075 T6
- 367210 SUSPENSION PIVOT PIN (2)
- 367220 FRONT ARM PIVOT PIN (2)
- 368014-S COMPOSITE SHORT SHOCK CAP, SPRING COLLAR & BALL JOINT - BIG BORE (2)
- 368024 COMPOSITE SPRING COLLAR -2MM & -4MM - BIG BORE (2+2)
- 368028 COMPOSITE SPRING COLLAR 0MM & -6MM - BIG BORE (2+2)
- 368032 SHOCK PISTONS - COMPLETE SET - DELRIN - BIG BORE
- 368042 COMPOSITE SHOCK BUSHING & SHIM FOR ALU CAP (2+2)
- 368045-T XRAY TITANIUM SHOCK STANDOFFS (2)
- 368049 ALU SHOCK ADJUSTABLE NUT - BIG BORE (2)
- 368102-S SHOCK ABSORBERS 30MM - SHORT CAP - BIG BORE - SET (2)
- 368123 ALU SHOCK BODY 30MM - BIG BORE (2)
- 368140 ALU LOWER SHOCK BODY CAP (2)
- 368162 HARDENED SHOCK SHAFT 40MM (2)
- 368202-S SHOCK ABSORBERS 35.5MM - SHORT CAP - BIG BORE - SET (2)
- 368224 ALU SHOCK BODY 35.5MM - BIG BORE (2)
- 368263 HARDENED SHOCK SHAFT 45MM (2)
- 369912-H 4WD FRONT WHEEL AERODISK WITH 12MM HEX IFMAR - WHITE - HARD (2)
- 397311 XRAY STICKER FOR BODY - WHITE
Dirt
- 106510 HUDY ULTIMATE SILICONE OIL 10 000 cSt - 50ML
- 106610 HUDY ULTIMATE SILICONE OIL 100 000 cSt - 50ML
- 303455 COMPOSITE ANTI-ROLL BAR o1.6MM BALL JOINT 4.9MM (4)
- 304930 COMPOSITE GEAR DIFF BEVEL & SATELLITE GEARS (2+4)
- 323525 LEXAN REAR WING - LUSH - WIDE
- 361177 CARBON CENTER DIFFERENTIAL UPPER DECK - EXTRA LOW BULKHEAD
- 361190 CARBON CHASSIS BRACE DECK - REAR
- 361288 XB4 CARBON CHASSIS WIRE COVER
- 362373 COMPOSITE ANGLED HUB FOR BEVEL DRIVE GEAR - FRONT HS BULKHEAD - 3 DOTS
- 362482 ANTI-ROLL BAR - SHORT - 1.2MM OPTION 362483 ANTI-ROLL BAR - SHORT - 1.3MM
- 362571-G COMPOSITE STEERING PLATE - GRAPHITE
- 363088 CARBON SHOCK TOWER FOR HS BULKHEAD - 3 DOTS - REAR
- 362112-H COMPOSITE SUSPENSION ARM FRONT LOWER - HARD
- 363114-H COMPOSITE SUSPENSION ARM REAR LOWER RIGHT - 3-HOLE - HARD
- 363124-H COMPOSITE SUSPENSION ARM REAR LOWER LEFT - 3-HOLE - HARD
- 364026 COMPOSITE CENTER DIFFERENTIAL BULKHEAD - EXTRA LOW
- 364904-L GEAR CENTER DIFFERENTIAL - LIGHTWEIGHT - SET
- 364913 COMPOSITE CENTER GEAR DIFFERENTIAL ADAPTER - LARGE VOLUME
- 364966 CENTER GEAR DIFF OUTDRIVE ADAPTER - LIGHTWEIGHT (1+1)
- 364975 COMPOSITE CENTER DIFF SPUR GEAR 75T / 48
- 365226 FRONT DRIVE SHAFT 84MM WITH 2.5MM PIN - HUDY SPRING STEEL™
- 365230 DRIVE SHAFT COUPLING - HUDY SPRING STEEL™
- 365353 ALU WHEEL HUB 12MM - O SLOTS - V2 (2)
- 365433 CENTRAL DRIVE SHAFT 113MM WITH 2.5MM PIN - HUDY SPRING STEEL™
- 365436 CENTRAL DOGBONE DRIVE SHAFT 65MM - HUDY SPRING STEEL™
- 365470 COMPOSITE DRIVE SHAFT SAFETY COLLAR - V2 (3)
- 368383 FRONT BIG BORE CONICAL SPRING-SET L=42.5MM - 3 DOTS (2)
- 368482 REAR BIG BORE CONICAL SPRING-SET L=57.5MM - 2 DOTS (2)
- 369717 BODY FOR 1/10 4WD OFF-ROAD BUGGY - EPSILON 4D - LIGHT
Carpet
- 106530 HUDY ULTIMATE SILICONE OIL 30 000 cSt - 50ML
- 106540 HUDY ULTIMATE SILICONE OIL 40 000 cSt - 50ML OPTION
- 303456 COMPOSITE ANTI-ROLL BAR o2.0MM BALL JOINT 4.9MM (4)
- 305092 BALL DIFFERENTIAL SPRING
- 305394 ECS DRIVE SHAFT PIN 2 x 9 WITH FLAT SPOT (2)
- 323522 LEXAN REAR WING - LUSH
- 361158 CARBON CENTER SLIPPER UPPER DECK - EXTRA LOW BULKHEAD
- 361192 CARBON CHASSIS T-BRACE - REAR
- 361289 XB4 CARBON CHASSIS T-BRACE - FRONT
- 362371 COMPOSITE ANGLED HUB FOR BEVEL DRIVE GEAR - FRONT HS BULKHEAD - 1 DOT
- 362390 ALU REAR SHOCK ABSORBER ADAPTER (1+1) - SET
- 362489 ANTI-ROLL BAR - SHORT - 2.0MM
- 362575 ALU STEERING PLATE 2-H. - 6MM PROFILED SHAPE - SWISS 7075 T6
- 363089 CARBON SHOCK TOWER FOR HS BULKHEAD - 5 DOTS - REAR
- 363114-G COMPOSITE SUSPENSION ARM REAR LOWER RIGHT - 3-HOLE - GRAPHITE
- 363124-G COMPOSITE SUSPENSION ARM REAR LOWER LEFT - 3-HOLE - GRAPHITE
- 363519 LEXAN FRONT WING
- 364027 ALU CENTER SLIPPER BULKHEAD - EXTRA LOW - SWISS 7075 T6
- 364101-S ONE-WAY SLIPPER CLUTCH SET - LIGHTWEIGHT & SHORT
- 362112-G COMPOSITE SUSPENSION ARM FRONT LOWER - GRAPHITE
- 364117 ONE-WAY SLIPPER CLUTCH SHAFT - LIGHTWEIGHT & SHORT - HUDY SPRING STEEL
- 364125 ALU PLATE FOR ONE-WAY SLIPPER CLUTCH FOR OUTDRIVE - SWISS 7075 T6
- 364130-L ALU ONE-WAY SLIPPER CLUTCH PLATES - VENTILATED - SET
- 364131 SLIPPER CLUTCH PAD SLS - SOFT (3)
- 364133 SLIPPER CLUTCH ONE-WAY OUTDRIVE PAD SLS - SOFT (2)
- 364151 STEEL BUSHING FOR ONE-WAY SLIPPER CLUTCH
- 364160 SCREW FOR ONE-WAY SLIPPER CLUTCH ADJUSTMENT - HUDY SPRING STEEL™
- 364175-L OUTDRIVE ADAPTER WITH PRESSED ONE-WAY BEARING - LIGHTWEIGHT
- 364183 SLIPPER CLUTCH SPRING C=50 - BLACK
- 364192 ALU NUT FOR ONE-WAY SLIPPER CLUTCH
- 365203 ECS FRONT DRIVE SHAFT 84MM WITH 2.5MM PIN - HUDY SPRING STEEL™ - SET
- 365227 ECS DRIVE SHAFT 84MM WITH 2.5MM PIN - HUDY SPRING STEEL™
- 365230 DRIVE SHAFT COUPLING - HUDY SPRING STEEL™
- 365355 ALU WHEEL HUB 12MM - 1 SLOT - OFFSET +0.75MM (2)
- 365434 CENTRAL DOGBONE DRIVE SHAFT 47MM - HUDY SPRING STEEL™
- 365435 CENTRAL DOGBONE DRIVE SHAFT 117MM - HUDY SPRING STEEL™
- 365878 COMPOSITE 3-PAD SLIPPER CLUTCH SPUR GEAR 78T / 48
- 366011 ALU BRACE MOUNT - SWISS 7075 T6 (2)
- 368384 FRONT BIG BORE CONICAL SPRING-SET L=42.5MM - 4 DOTS (2)
- 368484 REAR BIG BORE CONICAL SPRING-SET L=57.5MM - 4 DOTS (2)
- 369713 BODY FOR 1/10 4WD OFF-ROAD BUGGY - DELTA 4C - LIGHT