Spring for chain tensioner Simplex
for all 2 valve boxer models after september 1978
Compare 11311335584 / 11-31-1-335-584
Stainless steel pushrod tube
2V models since 9/75 (not...
Duplex timing chain with chain link
/5 to /7 models...
Spring for chain tensioner Duplex
for all /5, /6, /7...