TAIDA 2-VALVE ROCKER ARM ASSEMBLY
GY6 B-BLOCK • 57MM STUD SPACING • 2-VALVE

TAIDA complete rocker arm assembly designed for compatible GY6 125/150cc+ 2-valve cylinder heads using 57mm B-Block stud spacing.

A great replacement for performance GY6 cylinder-head builds and compatible larger-displacement 2-valve applications.

KEY FEATURES

• Complete 2-valve rocker arm assembly
• Designed for 57mm stud-spacing B-Block GY6 heads
• Fits compatible GY6 125/150cc+ applications
• Suitable for performance and big-bore cylinder-head builds
• Includes rocker holder, shafts, rocker arms, tappets and adjustment nuts
• Made in Taiwan

SPECIFICATIONS

• Rocker Arm Holder: 75.5mm L × 75mm W × 25mm H
• Stud Spacing: 57mm
• Intake Shaft: 55.14mm L × 10mm OD
• Exhaust Shaft: 47.6mm L × 10mm OD
• Rocker Arms: 64.5mm L × 20mm OD
• Tappets: 18.53mm L • M5 × 0.5mm
• Adjustment Nuts: 4.2mm L • M5 × 0.5mm ID • 9mm OD
• Valve Configuration: 2-Valve / 2V
• Country of Manufacture: Taiwan

COMPATIBILITY

Designed for compatible:

• GY6 125cc+ engines
• GY6 150cc+ engines
• 57mm B-Block cylinder heads
• 2-valve performance cylinder kits
• Larger-displacement GY6 B-Block builds using compatible 2V heads

Can also be used with the SSP-G 63mm / 180cc Power Kit cylinder head when used with the required Part #169-412component.

VALVE ADJUSTMENT NOTE

After installation, valve clearance must be checked and adjusted.

Suggested starting clearance:

• Intake: 0.004"
• Exhaust: 0.005"

Use a feeler gauge and adjust until the gauge has a slight, even drag between the tappet and valve.

IMPORTANT: Valve-clearance requirements can vary depending on the cylinder head, camshaft and engine configuration. Always follow the specifications recommended for your particular engine or cylinder-head setup.

PACKAGE INCLUDES

• 1 × Rocker Arm Holder
• 1 × Intake Rocker Shaft
• 1 × Exhaust Rocker Shaft
• 2 × Rocker Arms
• 2 × Tappets
• 2 × Adjustment Nuts

COMPLETE TAIDA 2V ROCKER ARM ASSEMBLY • 57MM B-BLOCK • MADE IN TAIWAN