CA - Cylinders, Pistons, Rings, & Big-Bore Kits  
 
AF - Air Filters
 
AV - Carburetors
 
BE - Full Gasket Sets
 
CA - Cylinders, Pistons, Rings, & Big-bore Kits
 
CC - Head Kits & Porting
 
DD - Cranks & Cases
 
DR - Flywheels
 
EE - Spark Plugs & Ignitions
 
EG - Fan Covers, Scoops, Starters, & Cool Heads
 
FD - Exhausts
 
GA - Spindles & 3rd Bearings
 
GG - Sprockets & Chains
 
GT - Clutches
 
HH - Fenders & Engine Mounts
 
JJ - Gas Tanks, Caps, and Covers
 
JM - Brakes
 
KK - Wheels & Tires
 
KN - Forks & Axles
 
MA - Frames
 
MM - Decks & Grindplates
 
RR - Handlebars, Stems, & Grips
 
SF - Cables
 
SS - Levers & Controls
 
TA - Clothing & Safety Gear
 
TT - Tools, Oils & Accessories
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Stock and aftermarket cylinders, pistons, rings, and big-bore kits for your engine.
   
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ca18x - Piston Stopper Tool
$9.50
Select color:

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ca191 - Zenoah Triangle Engine Tool - 3mm,4mm,5mm Allen Ends
$14.00

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ca193 - Piston Pin Clip Pliers Tool
$39.00

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ca194 - Zenoah Piston Pin Pusher Tool
$9.50

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ca198 - CY Replacement Top End Kit for G23LH
$39.00

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ca199 - CY Replacement Cylinder for G23LH / CY23ZR
$30.00

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ca200 - G23LH Cylinder
$56.50

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ca202 - G23LH / G2D Piston (backorder)
$22.50

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ca204 - G23LH / G2D Piston Ring Set(backorder)
$7.50

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ca206 - Zenoah/CY Piston Pin Snap Ring (Circlip) Set
$0.75

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ca210 - G23LH / G2D .020 Copper Cylinder Gasket
$9.50

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ca211 - G23LH Cylinder Gasket
$2.25

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ca212 - G23LH / G43L Cylinder Bolt
$1.00

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ca214 - Zenoah 26mm Piston Pin (backorder)
$3.00

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ca215 - Zenoah 29mm Piston Pin (backorder)
$3.00

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ca216 - Pin Washer Set
$3.00

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ca217 - Zenoah Pin Bearing
$4.75

Quantity

   
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ca309 - Complete G230RC 32mm Top-End Kit
$59.00

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ca310 - G230RC 32mm Cylinder
$44.00

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ca312 - Zenoah 32mm G230RC Piston
$19.00

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ca314 - Zenoah G230RC 32mm Piston Ring (1mm thick)
$6.00

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ca315 - Zenoah G230RC 32mm Piston Ring (.8mm thick)
$6.00

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ca317 - .012 Copper Cylinder Gasket for RC Engines
$8.00

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ca318 - .040 Copper Cylinder Gasket for RC Engines
$8.00

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ca319 - .020 Copper Cylinder Gasket for RC Engines
$8.00

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ca320 - .005 Copper Cylinder Gasket for RC Engines
$8.00

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ca321 - G230RC / G260RC Cylinder Gasket
$2.25

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ca322 - RC Cylinder Bolt (M5 x 25)
$0.60

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ca347 - G260RC 34mm Cylinder
$38.00

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ca348 - Zenoah 34mm Big-Bore Kit for G23LH / G230RC
$99.00 $59.00 On Sale!

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ca350 - Zenoah 34mm G260RC Piston
$19.00

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ca351 - Zenoah 34mm G260RC Piston Ring
$6.00

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ca352 - G231PUM 32mm Watercooled Cylinder
$39.75

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ca353 - G260PUM 34mm Watercooled Cylinder
$39.75

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ca354 - .005 Copper Cylinder Gasket for G260PU/PUH/PUM Engines (backorder)
$9.50

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ca355 - Zenoah PUM/PUH Cylinder Gasket
$2.00

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ca356 - G231PUH 32mm Cylinder (4-bolt)
$38.25

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ca357 - G260PUH 34mm Cylinder (4-bolt)
$38.25

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ca358 - .012 Copper Cylinder Gasket for G260PU/PUH/PUM Engines
$9.50

Quantity

   
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ca359 - Complete G260PUM 34mm Big-bore Kit
$59.00

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ca370 - 36mm 28.5cc GP290 Big-Bore Kit
$76.50

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ca370+dd3x+ca318 - 30.5cc Big-Bore Combo Kit 3.75 HP
$125.00 $109.00 On Sale!
Select options:

Quantity

   

ca371 - GP290 36mm Cylinder
$45.00

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ca373 - GP290 36mm Piston Ring
$6.00

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ca375 - CY / RC 36mm Piston Kit
$25.00

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ca378 - Complete Top-End Kit for New-Style GP290 Engine (40mm boss)
$89.00

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ca406 - CY G23LH / G2D Piston Kit (backorder)
$25.00

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ca419 - CY / RC CY23RC 32mm Top-End Kit
$45.00

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ca420 - CY23RC Cylinder
$43.00 $30.00 On Sale!

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ca424 - CY / RC Pin Washer Set
$2.50

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ca425 - RC / CY Pin Bearing
$3.50

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ca435 - CY / RC Piston Pin
$3.00

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ca467 - CY / RC 32mm Piston Kit
$17.00

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ca468 - CY / RC 32mm Piston Ring
$5.00

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ca472 - CY / RC 34mm Piston Kit
$15.00

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ca473 - CY / RC 34mm Piston Ring
$7.00

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ca479 - CY / RC 35mm Piston Kit
$17.00

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ca480 - CY / RC 35mm Piston & Ring (backorder)
$28.00 $17.00 On Sale!

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ca481 - CY / RC 35mm 26.9cc Big-Bore Kit
$59.00 $49.00 On Sale!

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ca482 - CY / RC 35mm Piston Ring
$6.00

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ca483 - CY27RC 35mm Cylinder
$35.00

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ca486 - CY 35mm Big-Bore Kit for +2mm Stroker Engines
$55.00

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ca486+dd30x - CY 29cc Big-Bore Kit
$89.00
Select:

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ca487 - CY 35mm Cylinder for +2mm Stroker Engines
$49.00

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ca490 - CY29RC 35mm Cylinder, Piston, Ring Set from Disassembled Motor(backorder)
$15.00

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ca492 - CY 32mm LH Piston Ring Set(backorder)
$5.00
 

   

ca501 - G43L (GSR40) Cylinder
$85.00

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ca503 - G43L (GSR40) Piston
$42.50

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ca505 - G43L (GSR40) Piston Ring Set
$8.60

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ca507 - G43L / GP420 / GP460 Piston Pin Snap Rings(backorder)
$2.25

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ca509 - G43L (GSR40) Crankcase Snap Ring
$3.35

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ca512 - G43L (GSR40) Cylinder Gasket
$2.25

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ca518 - G43L / GP420 Piston Pin
$6.75

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ca519 - G43L / GP420 / GP460 Piston Pin Washer Set
$10.25

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ca520 - G43L / GP420 / GP460 Piston Pin Bearing (backorder)
$13.75

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ca551 - G2D Cylinder
$69.00

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ca553 - G2D Cylinder Gasket
$2.25

Quantity

   
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ca568 - .005 Copper Cylinder Gasket for GP420 / GP460 Engine
$9.50

Quantity

   
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ca569 - .020 Copper Cylinder Gasket for GP420 / GP460 Engine
$9.50

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ca570 - Complete GP420 Cylinder and Piston Kit
$119.00

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ca571 - GP420 / GP460 Cylinder Gasket
$2.55

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ca573 - GP420 40mm Piston Ring
$5.90

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ca580 - GP460 46cc Piston Kit
$39.00

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ca581 - GP460 46cc Big-Bore Kit
$89.00

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ca582 - GP460 42mm Piston Ring
$5.90

Quantity

   

ca600 - GZ25N14 / GZ25N23 Cylinder
$56.50 $44.00 On Sale!

Quantity

   

ca606 - GZ25N14 / GZ25N23 Piston
$22.50

Quantity

   

ca607 - GZ25N14 / GZ25N23 Piston Ring Set
$10.50

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ca611 - GZ25N14 / GZ25N23 Cylinder Gasket
$2.25

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ca612 - GZ25N14/23 Cylinder Bolt / Trail Ripper Chain Guard Bolt
$1.00

Quantity

   

ca613 - GZ25N Cylinder Plate Bolt / GP420 / GP460 Pulley Bolt
$0.50

Quantity

   

ca618 - GZ25N14 (Geo) Piston Pin
$3.75

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