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39MM_BORE (63MM/SHORT) STEEL_CYLINDER  (1P39FMB/100007)

ALL NEW CASTING WILL WORK ON THE FOLLOWING STOCK 39MM X 41.4 BORE AND STROKE ENGINES

ALL Z50'S 68 TO 99

ALL XR50'S

ALL CRF50'S

ALL LIFAN 50'S

MOST ALL 4 STROKE CLONES

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NOTE THE THICK BOTTOM SKIRT THESE CYLINDERS NOW COME WITH, THIS IS SO YOU CAN BORE THIS CYLINDER TO AS MUCH AS 51MM DOWN THE ROAD


1P39FMB$31.95

NEW HIGH QUALITY STANDARD PISTON KIT ALL_Z50A'S  1/19T (100076)
*STANDARD PISTON  ALL XR50 CRF50 (205L)
*STD RING SET ALL XR50 CRF50 (205Q)
**STD_PISTON_Z50R   82_THRU_87_ONLY 1/16M  (64C)
**STANDARD_RINGS   82_THRU_87 Z50R 1/16A (57E)
*OEM HONDA PISTON_KITs  Z50'S 1968_to_1981  1/14M  (DISCONTINUED_FROM_HONDA)  (WHILE_STOCK_LASTS) (13A/15D/2D+++)
NEW HIGH QUALITY STANDARD PISTON KIT ALL_Z50A'S 1/19T (100076)

$24.95
*STANDARD PISTON ALL XR50 CRF50 (205L)

$22.99
*STD RING SET ALL XR50 CRF50 (205Q)

$14.75
**STD_PISTON_Z50R 82_THRU_87_ONLY 1/16M (64C)

$34.99
**STANDARD_RINGS 82_THRU_87 Z50R 1/16A (57E)

$17.48
*OEM HONDA PISTON_KITs Z50'S 1968_to_1981 1/14M (DISCONTINUED_FROM_HONDA) (WHILE_STOCK_LASTS) (13A/15D/2D+++)

$109.99
ALL_XR50_CRF50 (Z50R_88_TO_99)  ALL_LIFAN__50CC 39MM_BORE  (276Z)
XR50_CRF50 Z50R_Z50A 50CC_39MM_BORE HEAD_GASKET (SOLD_EACH)  (291C)
ALL_50/70CC TRX90 BASE GASKET  (291G)
ALL_XR50_CRF50 (Z50R_88_TO_99) ALL_LIFAN__50CC 39MM_BORE (276Z)

$19.99
XR50_CRF50 Z50R_Z50A 50CC_39MM_BORE HEAD_GASKET (SOLD_EACH) (291C)

$3.99
ALL_50/70CC TRX90 BASE GASKET (291G)

$1.99