Racing Spring Kit, Steel, 0.460" Lift, HD®, Knucklehead™, 1936-1947
Racing Spring Kit, Steel, 0.460" Lift, HD®, Knucklehead™, 1936-1947
SKU:20-20170
Regular price
$142.97 USD
Regular price
$142.97 USD
Sale price
$142.97 USD
Unit price
per
Couldn't load pickup availability
Spring kit must be used with Kibblewhite® guides, or the tops of your guides must be machined to use this kit. Retainers manufactured from heat treated, aircraft quality, steel billet. FEA stress analysis used to incorporate unique concave radius, and design equidistant holes to lighten retainer without sacrificing strength. Black Oxide treatment applied to resist corrosion. Machining Instructions included with kit or check link below.
| Installation Instructions |
Click Here |
| Type | Intake/ Exhaust |
| Retainer Materia | H.T. Steel |
| Valve Lift | 0.460" |
| Installed Height | 1.315" |
| Seat Pressure | 158# |
| Open Pressure | 335# |
| @ Lift | 0.460" |
| Note | Spring kit must be used with Kibblewhite® guides, or the tops of your guides must be machined to use this kit. Machining Instructions included with kit, or check our website www.kpmi.us for current info. |
| Unique Identifier No. | FR327789_01GAUS |
