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S&S, Sidewinder valve springs game. Elevation of .650 "for Harley Davidson

S&S, Sidewinder valve springs game. Elevation of .650 "for Harley Davidson

Usual price 326.87 €
Usual price Offer price 326.87 €
Offer Exhausted
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The kit includes hive springs, upper necklaces forged in chromoly, lower steel necklaces, lifeguards and wedges.
It works with 7 mm and 5/16 ”valve rods and all S&S Superstock® head valve (5/16”).
The springs are conical style springs (hive) of a single wire, manufactured with clean Kobe alloy wire with a high silicon content and then microgranallado and nitrura.
Valve elevation of 650 ".
Installed height of 1,860 ", pressure of the 178 lb valve seat and elevation of 376 lb to 0.650".
Maximum 6500 rpm.

Compatible with:> 84-99 Evo B.T.; 99-04 Twin Cam; 86-03 XL (NU)
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