moroso

Moroso 63320 is a 20 lb replacement radiator cap built with a stainless steel spring for reliable pressure control in vehicle-specific cooling systems. This compact, purpose-made radiator cap fits specific vehicles and restores the cooling system's designed 20 psi (20 lb) pressure rating. By...

Moroso 63332 is a 32-pound-pressure radiator cap engineered to fit standard radiator filler necks and maintain cooling-system integrity with a durable steel spring. This compact replacement cap from Moroso is built for performance-minded drivers who need a reliable pressure release and seal for conventional...

Moroso 72300 Advance Curve Kit lets you precisely recurve GM HEI distributors to achieve full mechanical spark advance where your engine performs best. This kit is a drop-in solution for GM HEI distributors that changes the distributor's advance characteristics without replacing cores or electronic...

Moroso 38770 is a high-strength balancer bolt engineered to securely fix the harmonic balancer on Small Block Chevy engines. This single replacement bolt is built for engine builders and DIY mechanics who need a dependable fastener when working on Small Block Chevy crankshafts. Manufactured...

The Moroso 62293 Jet Tool is a precision removal and installation tool engineered to fit Holley round-head carburetor jets without marring or damaging the jet tip. This compact, purpose-made tool makes changing jets in tight engine bays quicker and safer. It combines a fully...

Moroso 72174 Ignition Wire Super Loom Kit is a complete black mounting and routing set designed to organize 7–9mm ignition wires on small block Chevy engines. This kit provides the hardware and looms needed to neatly route and secure ignition wires, reducing contact with...

Moroso 74098 Multi-Power Battery Terminal is a silver, SAE/JIS-compatible distribution block that replaces a standard battery terminal to provide multiple ring-terminal power taps without cutting into vehicle wiring. If you need to add aftermarket electronics — such as audio amplifiers, lighting, or performance accessories...

Moroso 63316 is a 16 lb racing radiator cap engineered to hold a precise pressure with a stainless steel spring and a solid brass spring retainer for standard-size filler necks. This radiator cap is built for high-performance cooling systems that need a dependable pressure...

The Moroso 63324 is a 24-pound racing radiator cap built with a stainless-steel spring to hold accurate pressure for high-performance cooling systems. Designed for race and performance vehicles, this Moroso radiator cap maintains a steady 23–25 lb pressure range so coolant systems can operate...

Moroso 72133 is a vehicle-specific black wire loom kit designed to neatly route and protect ignition and accessory wiring on Small Block Ford engines. This compact kit contains a selection of pre-drilled looms, separators and mounting brackets sized for common Small Block Ford installations....

Moroso 51045 Ultra Series spark plug wires are a high-performance, USA-made wire set engineered for Big Block Chevy engines with under-header routing and 135-degree plug ends. Built for street and race applications, the Moroso Ultra Series 51045 delivers durable conductivity and fitment designed specifically...

Moroso 93102 is a dedicated transmission pan gasket engineered for GM Turbo 350 (TH350) applications, combining a 40‑durometer rubber sealing surface bonded to a rigid steel frame for a reliable, reusable seal. This gasket replaces cork and composite pan seals with a durable rubber/steel...