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Kibblewhite Black Diamond Exhaust Valve For Harley

Features:

  • All Kibblewhite Precision Machining, Inc. stainless steel valves are impregnated by a special German process with a .002" deep & .0002" surface build-up to improve wear properties and reduce friction
  • This improves wear properties, reduces friction, and provides resistance to corrosion and wear that is superior to chrome and nickel electrolysis plating
  • Designed using Finite Element Analysis software, and profiles are tested on our computerized flow bench
  • Black Diamond Valves are light, strong, one piece forgings with profiles that provide excellent flow characteristics
  • Head Diameter: 1.570"/39.88 mm; Stem Diameter: 0.3384"; Tulip: 29°; Overall Length: 3.510"; Remarks: Standard
  • Head Diameter: 1.630"/41.40 mm; Stem Diameter: 0.3384"; Tulip: 29°; Overall Length: 3.510"; Remarks: Oversize
Product Style J&P Cycles Item # Catalog Number Store Sku MFR. Product # Availability
Product Style 1.57" J&P Cycles Item #10238407 Catalog Number431-125 Store Sku MFR. Product #20-4197 AvailabilityIn Stock: Ships within 24 hours
Product Style 1.63" J&P Cycles Item #10238406 Catalog Number605-505 Store Sku MFR. Product #20-4197-1 AvailabilityIn Stock: Ships within 24 hours
This product is vehicle specific.
Select a vehicle to ensure fitment.
This Product Fits
Harley Davidson
XLCH 1959-1969
XLH900 1958-1969
Product Description
Part Numbers
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