Top 20 Best Selling Engine Kits Engine Kit Products Replacement Parts (2021)

Master Lock trailer lock set addresses all trailer security needs. #3794DAT comes with coupler lock, swivel head, receiver lock (5/8-inch and 1/2-inch) and coupler latch lock all keyed alike in a heavy-duty canvas bag. ... more info

The Spring Loaded Idler Pulley will maintain consistent pressure on the chain to maximize performance. It will reduce stress on the chain and keep a consistent tension through any ride. This aftermarket performance upgrade comes with all the hardware for ... more info

Air intake kit consists of air filter box, air duct, Pro 5 filter, high performance silicon connectors and stainless steel clamps. Volant air filter box is a cross-link polyethylene box engineered to each specific application for low restriction and an in ... more info

Part #12 on the Drivetrain Diagram Chain Length: 54 inches Package includes #415 Chain Part Number (See Parts Manual): 4-12-415 Note: Our 415 Chains are considered heavy duty chains and are only compatible with Flying Horse and Mega Motors Bicycle Engine ... more info

Package includes 415 Chain Master Link Part Number (See Parts Manual): 4-12C Please Note: These master links are only compatible with 415 chains. These chains are commonly found in engine kits manufacturered in 2008 or later, including our Flying Horse an ... more info

This cold air intake system produced 17 maximum horsepower, 17 pounds x 1 feet torque and out flowed the factory intake by 40 percentage. Included in this cold air intake system is a 16 gauge powder coated heat shield, a massive 8 inches tall, oil-free aF ... more info

Maximize the power and economy potential of your intake system with a Rapid Flow Stage 2 Air Intake kit. This kit not only provides the power you want, but it also enhances that deep horsepower growl of the engine and adds the aesthetics of a customized e ... more info

Spectre's air intake system for a 1967-1969 Chevy Camaro includes our dual inlet low profile plenum, 2 air intake tubes, 2 red Spectre air filters, and vehicle specific heat shields. This air intake requires relocating the battery. ... more info

Full Gasket set Graphite head gasket Intake manifold gasket Exhaust manifold gasket Valve cover gasket Viton valve stem seals Camshaft front O-rings Front seal gasket Rear seal gasket Water pump gasket Timing cover gasket Other Small Gaskets Oil Pump Wate ... more info

Full Gasket set + Graphite head gasket + Intake manifold gasket + Exhaust manifold gasket + Valve cover gasket + Viton valve stem seals + Camshaft front + O-rings + Front seal gasket + Rear seal gasket + Water pump gasket + Timing cover gasket + Other Sma ... more info

Modular XHD Snorkel System from Rugged Ridge relocates the venerable stock air intake location to help reduce dust clogged filters and the risk of hydro-locking your engine. It is also the first snorkel designed with the modular functionality of a Pre-fil ... more info

Spectre air intake systems are designed to get the most horsepower and torque from your vehicle while they protect your engine from harmful debris. This air intake comes with a red Spectre reusable low restriction air filter, high quality polished aluminu ... more info

Looking for a bike you can race in the pits? How about one you can ride around the back yard? With our new mini gas bike you have the freedom to do both! This 2-stroke has an expansion chamber for more power than most of the mini bikes out there, and a 49 ... more info

Engine Dress Up Kit: 289-400 Chevrolet Small Block; Black Crinkle ... more info

This aFe Power Magnum FORCE Stage 2 cold air intake system produces an astonishing 32 hp and 35lbs. x ft. torque and outflows the factory intake by 44%!  This air intake is the most sophisticated design on the market today. Our equal length dual tube desi ... more info

Part #4 on the Fuel Component Diagram Package includes Fuel Valve Part Number (See Parts Manual): 4-18  ... more info

Call it the Power Principle: Better breathing equals more horsepower and torque. In order to fully understand this philosophy, you have to get down to basics. Since an engine is essentially a giant air pump, improving the air flow efficiency creates more ... more info

Spectre air intake systems are precision engineered to improve engine performance for a variety of specific applications. This intake is manufactured from high quality polished aluminum tubing and includes a Spectre performance inline air filter to help p ... more info

This Stage-2 air intake system combines a 3-1/2 inch diameter black powder-coated aluminum tube and a massive 7-1/2 inch Pro DRY S air filter with inverted top to generate 30 percent more airflow. The Pro DRY S air filter is 3-layer progressive, synthetic ... more info

Part #3 (and continued after Part #4) on the Fuel Components Diagram The Vitta Fuel Line is made universal for any 48cc, 50cc, 66cc/80cc 2-stroke bicyle engine kit. Fits on the fuel valve and down into a gas bike carburetor.  Tip: To install a fuel filter ... more info