Broad, smooth power from 1900–6000 RPM; bolt-in fit for stock to mid 96" and 103" engines.
Plug-and-play cooler kit with a high-powered, waterproof fan and temperature-activated switch; includes wiring, hardware and instructions. Not for "Twin Cooled" models.
Fierce torque band and horsepower gains for large and small displacements.
Works from 2200–6250 rpm on large engines and 2500–6800 rpm on smaller high-revving builds.
Requires high-performance valve springs, pushrods, lifters, fueling work, and upgraded exhaust/intake/clutch.
EST gasket kit with embossed stainless steel head, base, and rocker gaskets covered in proprietary rubber. Includes all gaskets, seals, and O-rings to rebuild the top end. Made in the USA.
OEM-quality cast aluminum alloy construction. Kits include two pistons, wrist pins and clips. Accepts OEM or Hastings rings (sold separately).
High-performance camshaft that broadens the torque band and boosts horsepower across a wide range of displacements. Requires supporting high-performance components and tuning.
Transparent cam cover designed to match Assault series air cleaners. Made in the USA.
Fierce-performing camshaft tuned for both large and small displacements; optimized for broad torque and horsepower gains across wide rpm ranges.
OEM-quality cast aluminum alloy replacement pistons. Kits include two pistons, wrist pins and clips. Accepts OEM or Hastings rings (sold separately).
OEM-quality cast aluminum pistons for Twin Cam motors. Includes two pistons, wrist pins and clips. Accepts OEM or Hastings rings.
Complete camchest rebuild kit that improves oil flow, raises oil pressure, reduces engine and oil temperatures, and smooths operation. Fits '07–'17 Twin Cam and '06 Dyna.
OEM-quality cast aluminum piston kit for Twin Cam motors. Includes two pistons, wrist pins and clips. Accepts OEM or Hastings rings.
Complete HP+® camchest kit for '07–'17 Twin Cam and '06 Dyna that increases oil pressure, lowers engine and oil temps, and smooths operation.
OEM-quality cast aluminum piston kit for Twin Cam motors; includes two pistons, wrist pins and clips.
Complete HP+® camchest kit for '07-'17 Twin Cam and '06 Dyna. Improves oil pressure, scavenge and cooling for cooler, more reliable operation.