GT-1 25-35Hp Big Block Vanguard V-Twin 36.5mm SS Valve 90.5mm Length

Head Diameter: 36.5mm

Stem Diameter: 6mm

Tip Length: 6.5mm

Stock Length: Yes

Maximum Length: 90.5mm

Angle: 45°

Margin: .045”

Seat Width: .100”

Top of Head: Flat