Deathtrap Customs A/S

These valve springs are standard on S&S KN-series engines and accommodate with up to .480" valve lift in stock 1936 thru 1947 OHV Knucklehead Big Twins. Kits include 4 inner and outer valve springs, spring collars, shims and valve keepers. The valve springs have a smaller than stock inner diameter, thus must be used with S&S valve guides or stock valve guides must be milled down.

Specifications

Article number Description Retail price Add to list
Hi-lift valve spring kit, accommodates with up to .480" valve lift
Article number Description Retail price Add to list
Standard size cast iron valve guide (OEM 18181‑36, 18185‑40)
+.002" oversize cast iron valve guide (OEM 18184‑36, 18187‑40)
+.004" oversize cast iron valve guide
+.008" oversize cast iron valve guide

Recommended Retail Prices include 25% sales tax.

Prices exclude shipping, import duties and installation.

Prices are based on EUR to NOK interbank rates obtained daily. The interbank rate is the rate that banks trade currency to each other. These prices must be used as a guide.