Hoca Valve Set 2V 21.5/19 (139QMB)

Description: Performance Hoca Valve Set 2V larger 21.5mm intake / 19mm exhaust valve. This Hoca Valve Set 2V 21.5/19 fits cylinder head 39mm 2V for 139QMB 81-88cc engines (scooters, quads, and buggies).

NOTE: Use in conjunction with a 64mm cylinder head 2V and 64mm rockerarm 2V ONLY (not fit 69mm).

Specifications:

•    2x Valves: 21.5x64mm Intake / 19x64mm Exhaust / Stems: 5mm
•    Made in Taiwan
•    Fit Valve Springs: 2V / Keepers: 2V / Retainers: 2V / Seals: 2V / Guides: 2V / Shims: 2V / Socket: Valve Tool
•    Fit Rocker Arm Assembly: 64mm / Feeler Gauge: .004in / .005in / Socket: 9mm
•    Fit 50mm Stud Spacing /Diagonal 70.5mm
•    Fit Cylinder 39mm to 52mm
•    Fit 64mm Cylinder Head 39mm
•    Fit Dowel Pin Set (8x14mm)
•    Fit QMB 49/50cc+ 2V

Supported Models: 139QMB 49cc-50cc engines, Baja SC50, Boreem (BMS) 50, Filly 50, Kymco 50, Panterra 50, Qingqi 50, QLink 50, Roketa 50, SUNL 50, SYM 50, Tank 50, TaoTao 50, and virtually any other scooter engine with these measurements.

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Item Weight & Package Dimensions:
•    0.12 pounds | 4" (L) x 3.625" (W) x 1.06" (H)