G- Valve Spring Assembly Set 2V 27.75/23 (GY6)

Description: Valve Spring Assembly Set 2-Valve 27.75mm Intake and 23mm Exhaust for upgrade GY6 125/150cc 4-stroke. 

NOTE: Use a feeler gauge to check the gap and assure a fair gauge grip at 0.004 for the intake-valve-to-tappet and .005 for exhaust-valve-to-tappet. For reassurance please consult your manufacturer's cylinder valve adjustments.

Specifications:

Include the following Valve spring assembly set.

•    2x Valves: 27.75x66mm Intake / 23x66mm Exhaust / Stems: 5mm
•    2x Valve Seals OD: 10.8mm / ID: 4.5mm / H: 8.1mm
•    2x Valve Spring Inners ID: 12.25mm / L: 32.5mm / W: 16.09mm / Thick: 1.96mm 
•    2x Valve Spring Outers ID: 17.20mm / L: 35.6mm / W: 22.5mm / Thick: 2.9mm
•    2x Valve Spring Retainers OD: 11.16<19.97mm / ID: 7.05mm<8.25mm / H: 8.25mm
•    2x Valve Keeper Sets
•    2x Valve Shims
•    Fit Intake Studs: M6 / Nuts: M6 / Socket: 8mm
•    Fit Exhaust Studs: M8 / Nuts: M8 / Socket: 10mm
•    Fit Valve Guides: 31mm / Socket: Valve Tool
•    Fit Rocker Arm Holder: 54mm or 57mm / Assembly: 2V / Feeler Gauge: .004in / .005in / Socket: 9mm
•    Fit Cylinder Studs: 187mm 195mm / Nuts: M8 / Washers: M8 / Socket: 12mm
•    Fit 54mm Stud Spacing (A-Block)
•    Fit 57mm Stud Spacing (B-Block)
•    Fit Crankshaft 57.8mm +3mm
•    Fit Dowel Pin Set (10x14mm)
•    Fit Cam Chain 45 (90) links
•    Fit Chain Guide (standard)
•    Fit Cylinder 58.5mm to 63mm 2V
•    Fit Cylinder Head 59mm to 63mm 2V
•    Fit GY6 125/150cc+
•    Optional: cut plastic fan shroud for best fitment

Supported Models: GY6 152QMI 157QMJ 161QMK 161QML Chinese Scooter, ATV, Genuine Buddy, Kymco, Polaris RZR 170, Ruckus, Vento

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Item Weight & Product Dimensions:
•    0.4 pounds | 2.933" (L) x 1.093" (W) x 0.197" (H)