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Precision-machined from cast ironCompatible with no-lead fuel and accept any type of valve-stem materialAccept special valve guide seals (sold separately)Made in the U.S.A.

Precision-machined from cast ironCompatible with no-lead fuel and accept any type of valve-stem materialAccept special valve guide seals (sold separately)Made in the U.S.A. Harley-Davidson -- Disc Glide FXDG -- (1983); Harley-Davidson -- Tour Glide...

Precision-machined from cast ironCompatible with no-lead fuel and accept any type of valve-stem materialMade in the U.S.A.

Precision-machined from cast ironCompatible with no-lead fuel and accept any type of valve-stem materialOverall length of both intake and exhaust is 1.90"Made in the U.S.A.

Precision-machined from cast ironCompatible with no-lead fuel and accept any type of valve-stem materialAccept special valve guide seals (sold separately)Made in the U.S.A.

Precision-machined from cast ironCompatible with no-lead fuel and accept any type of valve-stem materialMade in the U.S.A.

Precision-machined from cast ironCompatible with no-lead fuel and accept any type of valve-stem materialMade in the U.S.A.

Precision-machined from cast ironCompatible with no-lead fuel and accept any type of valve-stem materialAccept special valve guide seals (sold separately)Made in the U.S.A.

Precision-machined from cast ironCompatible with no-lead fuel and accept any type of valve-stem materialMade in the U.S.A.

Precision-machined from cast ironCompatible with no-lead fuel and accept any type of valve-stem materialMade in the U.S.A.

Precision-machined from cast ironCompatible with no-lead fuel and accept any type of valve-stem materialMade in the U.S.A.

Precision-machined from cast ironCompatible with no-lead fuel and accept any type of valve-stem materialMade in the U.S.A.