Magnetic Headbolt Cover
Bolt Kits
$91.95S&S CYCLE
Cylinder Stud & Head Bolt Kit - '17-'23 M8 Models
Bolt Kits
$249.95
Or four interest-free payments of $62.49.
Part Number: 2401-1621
In stock
Select your bike to verify fitment
Fitment data is provided as a guide based on manufacturer specifications. We recommend confirming exact fitment with your VIN or model code before purchase. 2AC is not responsible for fitment issues arising from incorrect vehicle selection.
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Product Description
8 studs with rounded thread roots, rather than flat, improving fatigue strength 4140 Chrome Moly studs, oil quenched and tempered to 39-44 HRC Positive stop shoulder allows for consistent installed height 180,000 psi tensile strength Reusable 14% increase in strength over stock Heat treated 8640 steel 200,000 psi ultimate tensile strength 8 - head bolts with integral washer Formed threads Cold formed head Compatible with both MLS & graphite head gaskets
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