Best selling products

Direct bolt-in replacement for EVO engines Can be used with stock valve springs, pushrods and lifters Will respond well with performance exhaust a...

Features lengthened intake runners for increased air velocity, delivering added volume for balanced dynamic flow One piece design, creates a clean...

Features lengthened intake runners for increased air velocity, delivering added volume for balanced dynamic flow One piece design, creates a clean...

Feuling® studs and nuts help relieve the stress put on the factory and SE cylinder heads, which have an extremely weak link with the rocker arm sh...

Fasteners included: rear fender bracket, battery box side covers, shifter linkage (FINE THREAD), shifter arm with washer and nut, rear brake maste...

Tensile strength rated @ 170,000 psi - superior & stronger than OEM & stronger than grade 8 fasteners Features precision rolled threads fo...

Feature precision rolled threads for optimum engagement, to prevent galling and promote more consistent torque loading Wide under-head flange desi...

Tensile strength rated @ 170,000 psi - superior & stronger than OEM & stronger than grade 8 fasteners Features precision rolled threads fo...

Features precision-rolled threads for optimum engagement, to prevent galling and promote more consistent torque loading Wide underhead flange desi...

Precision J-form threads for optimum engagement, to prevent galling and promote more consistent torque loading Superior in strength and performanc...

Studs are made from heat-treated 8740 chromoly; polished headbolts are made from alloyed stainless steel Kit includes eight cylinder studs, eight ...

Feature precision j-form threads for optimum engagement, to prevent galling and promote more consistent torque loading Tensile strength rated at 1...

Feature precision rolled threads for optimum engagement, to prevent galling and promote more consistent torque loading Wide under-head flange desi...

Feature precision j-form threads for optimum engagement, to prevent galling and promote more consistent torque loading Tensile strength rated at 1...

Quality 12-point heat treated 8740 chrome moly steel bolts with black oxide finish Features precision rolled threads for optimum engagement, to pr...

Feature precision rolled threads for optimum engagement, to prevent galling and promote more consistent torque loading Wide under head flange desi...

Feature precision rolled threads for optimum engagement, to prevent galling and promote more consistent torque loading Wide under-head flange desi...

Feature precision rolled threads for optimum engagement, to prevent galling and promote more consistent torque loading Wide under-head flange desi...

Feature precision rolled threads for optimum engagement, to prevent galling and promote more consistent torque loading Wide under-head flange desi...

Custom tooling was created to provide a countersink relief for the bolt/nut head versus machining away the entire end of the shaft per the factory...

Features precision-rolled threads for optimum engagement, to prevent galling and promote more consistent torque loading Wide underhead flange desi...

Feature precision-rolled threads for optimum engagement, to prevent galling and promote more consistent torque loading Wide under-head flange desi...