QUANTUM EFI Fuel Pressure Regulator Precision fuel control for modern engines — the QUANTUM EFI Fuel Pressure Regulator delivers OEM-level performance with upgrades designed for durability, quiet operation, and cleaner...
WSM Crankshaft Rebuild Kit Restore engine performance with the WSM Crankshaft Rebuild Kit — a precision-engineered solution designed to return your motor to smooth, reliable operation. Ideal for mechanics, marine...
COMETIC Milwaukee 8 Engine Gasket Kit Complete gasket kit engineered for Milwaukee 8 V-Twin engines. Designed and manufactured by COMETIC to meet the demands of modern high-performance Harley-Davidson applications. Why...
Wiseco Black Edition Piston Kit Upgrade performance and durability with the Wiseco Black Edition Piston Kit — engineered for tighter compression, superior oil control, and long-lasting wear resistance. Ideal for...
KOSO Digital Oil Temperature Dipstick Quickly monitor oil level and temperature with the KOSO Digital Oil Temperature Dipstick — a compact, reliable solution for riders who demand accurate oil vital...
KPMI Black Diamond Exhaust Valve High-performance stainless steel exhaust valve engineered for durability, low friction and superior flow. The KPMI Black Diamond® Exhaust Valve uses an advanced German impregnation process...
KPMI Black Diamond Intake Valve High-performance stainless steel intake valve engineered for durability, low friction and superior flow. Designed and manufactured by KPMI using the proprietary Black Diamond® impregnation process...
James Gaskets Panhead/Shovelhead Tappet Block Gasket High‑quality replacement gasket engineered for Panhead and Shovelhead engines. James Gaskets combines advanced materials and precision manufacturing to deliver a durable, leak‑resistant seal you...