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Precision-machined oil system packs for M8 engines that increase oil flow, scavenge volume and pressure while reducing temperatures and wet sumping. Includes pump, lifters, high-flow camplate and installation kit.
- Increases oil pressure and volume for improved cooling and scavenging.
- Reduces wet sumping, blow-by and oily air cleaners; quieter, smoother operation.
- Dyno-proven up to 2 hp and 2 ft/lbs to the rear wheel on M-Eight.
- Bench-tested relief valve: seals at a minimum of 30 psi, full pop-off 55–60 psi.
- Includes billet pump and FEULING® High Flow camplate; optional fastener kit PART #2401-0993 sold separately.
- Complete Race Series® oiling kit for M-Eight engines
- Increases oil flow, scavenge volume and oil pressure
- Up to 42% more scavenge volume; 68% more oil to crank and rod bearings
- Lowers engine and oil temperatures
- Includes pump, high-flow camplate, hydraulic lifters and installation kit
- Made in the USA
Precision-ground studs with radius-ground thread ends and hydraulically rolled threads for maximum strength and reduced notch sensitivity.
Stud and nut kit that reinforces rocker arm shaft standoffs to help prevent cylinder head cracking.
Super-light, heavy-duty fixed-length pushrods; sold as a set of four to replace OE—two intake, two exhaust. Rocker boxes must be removed for installation.
Replaces nonadjustable stock rods on H-D engines for precise valvetrain control.
Increases spring travel by .060" for improved suspension response. Precision-machined and made in the U.S.A.
Fits stock springs to add ~0.060" of travel on 1966–1984 74" and 80" motors; eases installation of B or #2 cams; made in the U.S.A.
 
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