Valve spring set, Chang Jiang 750ccm OHV

• Set for one cylinder head
• Scope of delivery: 2x large valve spring (S107-CJ) & 2x small valve spring (S108-CJ)
• Both valve spring surfaces: shot blasted and oiled

Large valve spring

• External diameter: 32.5 mm
• Wire thickness: 3.3 mm
• Spring rate R: approx. 15.1 N / mm

Small valve spring

• Outer diameter: 23 mm
• Wire thickness: 2.4 mm
• Spring rate R: about 11.15 N / mm