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With a special outside diameter to accommodate S&S KN / Flathead Power valve spring covers.
Will also fit Knuckle and S&S KN engine applications.
OEM replacement part number 18187-40 (formerly 167-408).
Fits: > 36-47 Knucklehead; S&S Valve Spring Cap Joints; S&S KN Engines
S&S Cast Iron Valve Guide In/Out +.002" for Harley Davidson
62.21 €
Will also fit Knuckle and S&S KN engine applications.
OEM replacement part number 18187-40 (formerly 167-408).
Fits: > 36-47 Knucklehead; S&S Valve Spring Cap Joints; S&S KN Engines