Moroso

Moroso 63316 is a 16-pound-pressure radiator cap engineered for standard-size filler necks, using a stainless steel spring and solid brass spring retainer to hold the cooling system at the right pressure. This compact replacement cap is designed for performance and durability where accurate coolant...

Moroso 72300 Advance Curve Kit re-shapes your GM HEI distributor's advance curve so your engine reaches full mechanical spark advance at the desired RPM. If you need finer control of ignition timing for a GM vehicle with an HEI distributor, this kit gives tunable...

Moroso 38770 is a Grade 8 balancer bolt engineered to secure harmonic balancers on Small Block Chevy engines while withstanding hand-rotating and light service use. This single balancer bolt is designed specifically for Small Block Chevy applications where a reliable, high-strength fastener is required...

Moroso 72174 is a complete black ignition wire super loom kit designed to organize and protect 7–9mm spark plug wires on small-block Chevy engines. This kit supplies the mounting hardware and molded looms needed to route and separate ignition wires cleanly along valve covers...

Moroso 62293 Jet Tool is a compact, fully machined removal tool built to engage Holley round-head carburetor jets cleanly and speed jet swaps without damaging the jet or fuel bowl. If you service carburetors or rebuild fuel systems, small specialized tools make the difference...

Moroso 74098 is a silver multi-power battery terminal block that replaces a standard SAE/JIS post to provide multiple fused and unfused ring-terminal distribution points for positive and negative connections. This compact battery terminal block makes it simple to add accessories, audio systems, lighting or...

Moroso 63324 is a 24-pound racing radiator cap engineered to hold consistent system pressure with a stainless steel spring for reliable cooling performance. This compact radiator cap is built for performance vehicles and motorsport applications where maintaining a precise pressure setting matters. Constructed with...

Moroso 63320 is a 20-pound radiator cap built with a stainless-steel spring to maintain a consistent cooling system pressure and help prevent coolant loss under higher operating loads. This compact, vehicle-specific radiator cap is designed for performance engines and heavy-duty applications that require a...

The Moroso 63332 is a 32-pound radiator pressure cap built with a durable steel spring to hold accurate cooling-system pressure for standard radiator filler necks. Compact and engineered in the United States, this Moroso radiator cap replaces worn or underperforming filler caps to help...

Moroso 72133 is a complete black wire loom kit designed to organize and protect ignition and accessory wiring on Small Block Ford engines. This kit supplies a selection of molded looms, separators and mounting brackets tailored to common Small Block Ford routing locations. It...

Moroso 93102 is a vehicle-specific, rubber-over-steel transmission pan gasket designed to replace factory seals on GM Turbo 350 transmissions without sealant. This transmission gasket combines a 40‑durometer rubber sealing surface vulcanized to a rigid steel core for a dependable, reusable flange seal. Built to...

Moroso 51045 Ultra Series spark plug wire set is a high-quality, USA-made replacement designed for Big Block Chevy engines with under-header routing, HEI distributors, and 135° plug ends. Built with decades of motorsport experience behind the brand, this Moroso Ultra set delivers dependable ignition...