Archive for the 'Engines' Category



Victory Fuel Injection Tuning Made Simple

Many Victory owners customize their bikes with new pipes or slip on mufflers and often an aftermarket high flow air cleaner. And of course it requires that to richen the fuel mixture to cool the engine down and increase power. What is a simple task on carburetor equipped motorcycles (rejetting) can be more tricky when […]

New S&S Cycle 111″ And 124″ Long Block Engines For Touring Chassis 2007-Up.

Owning a Bagger and wanting to go faster? Good news coming from S&S Cycle with these T111, T124 and T124LC Long Block Engines that will bolt into your stock touring chassis (Special Head machining – Fits stock length intake manifolds) They are sold without the fuel system so you can use what you have and […]

Throwback Custom Engine Parts

In the tradition of the way custom parts were designed and fabricated several decades ago, the Santa Clara little shop of Throwback MC Parts is producing these excellent looking Finned Rocker Boxes for Shovelheads and Finned Bird Blocker Cover for S&S E or G carburetors. The rocker boxes feature distinctive fins all over and accept […]

Harley-Davidson 4th Quarter U.S. Retail Sales Up 10 To 13 Percent?

According to a research note provided to Powersports Business by Wells Fargo Securities analyst Tim Conder, U.S. retail sales of Harley-Davidson motorcycles in October-November quarter-to-date “are tracking up 10-13% driven by strength across all Harley product families” Conder goes on to write that “October year to year gains were stronger as November experienced normal season […]

Your engine And Transmission Are In Harm’s Way And You Don’t know.

Many don’t know, some don’t want to know and others forget. Motor friction creates unwanted metal particles, creating a contamination that is circulated millions of times between each of your oil changes, polishing (wearing) down the metal until the engine is worn out. These particles are measured in microns and don’t expect your oil filter […]

Mikuni HSR42 Performance Carburetor Kits for Sportsters and Buells

Mikuni offers 2 different HSR42 Performance Carburetor Kits for Sportsters and Buells. One Kit, just for Sportsters includes a special airbox backing plate as shown to work with the stock oval cover and a Screamin’ Eagle high flow replacement filter. The other Kit, without the backing plate, works on both Buells and Sportsters with an aftermarket […]

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Grand Prix Edition “Turbine” Air Cleaner for Harley Davidson

One more choice in the popular category of round air cleaners. This new release belongs to the Grand Prix Edition of Precision Billet air cleaner series. Called “Turbine”, it features carbon fiber inlay under the 6061 T6 Billet aluminum cover. Available for EFI & Non-EFI Harley-Davidson motorcycles. MSRP in black as shown $419.00 (+S35 for […]

Zipper’s Oiling System Upgrade Kit

This Zipper’s Performance Kit is packaging 2 innovative oil system upgrades for all 2007-up Twin Cam® Engines and 1999-2006 engines equipped with hydraulic cam chain tensioners. Red Shift® Dual Piston Cam Chain Tensioners (Patent # 8,535,187) are a must-have for all 2007-up Twin Cam® performance applications. Red Shift® Cam Chain Tensioners are a direct-replacement product […]

New Harley-Davidson Screamin’ Eagle High Capacity Oil Pan Holds More Lube. Keeps It Cooler.

Great for a high-performance motor or for touring in extreme temperature conditions, this cast-aluminum oil pan holds 1.5 quarts more oil than the Original Equipment pan. Increased capacity means the oil cycles through the engine less frequently and remains in the pan longer. Cast-in internal baffles manage flow to the oil pickup and keep the […]

Zipper’s Knows Sportsters. Their Street To Strip Performance Strategies.

During more than a decade Zipper’s cut their teeth and built their products performance reputation racing Sportsters (5 National Drag Racing Championships and over 60 National and World Records.) Strong of their racing knowledge, Zipper’s offers street-to-strip performance strategies for riders of all kinds. Below a few of them. Red Shift® Performance Cams: Zipper’s Performance […]

Harley-Davidson Screaming Eagle Tappets May Increase Durability By 25%

New Screamin’ Eagle® Tappets (P/N 18572-13, $249.95) from Harley-Davidson® Genuine Motor Accessories® are designed to deliver superior tappet life in high-performance Harley-Davidson Twin Cam and Sportster engine applications. Large, high-capacity needles in the roller bearing assembly improve reliability when operating with high-lift cams, high-pressure valve springs, and in high-RPM applications. The needle bearings are 25 […]

FiltroMax Universal Remote Oil Filter Mount. Guaranteed To Cool The Look Of Your Bike

FiltroMax let you installi a high-volume aftermarket oil filter on your motorcycle. The steel bracket included with the FiltroMax welds wherever you want onto your frame for custom installation, or you can hang the unit behind your bike’s side-mount license plate bracket or wherever tickles your fancy. The investment-cast, finned aluminum body gives a bit […]

New S&S Cycle Stealth Air Cleaner Covers

To add performance and style to your ride, S&S Cycle offers these 3 covers for their own S&S Stealth air cleaner. Similar to the existing round Bobber covers, and machined of solid billet aluminum, these stylish covers are powder coated gloss black and with machined highlights  to add details to the design. Compatible with any […]

Surveyed Americans Fear E15 Fuel Damage

The American Petroleum Institute (API), a national trade association that represents America’s oil and natural gas industry, conducted a survey whose results show that more than three-fourths of Americans fear that E15 fuel may damage fuel system components, the American Motorcyclist Association reports. Also, more than two-thirds of those surveyed believe that using more corn […]

Harley-Davidson Offers A Kit To Pump The 2014 Ultra Limited To The CVO Motorcycle Specifications Twin-Cooled Engine Performance

The new Screamin’ Eagle® 110 Cubic Inch Stage 1 Kit (P/N 92500020, $1,998.95) street-legal kit upgrades a 2014 Harley-Davidson Ultra Limited to the full CVO motorcycle performance of the Twin-Cooled Twin Cam 110 engine (the kit does not fit the 2014 Harley-Davidson Ultra Classic.) It boosts the displacement of the Twin-Cooled™ High Output Twin Cam 103™ […]

Spectro Answers Your New Questions Regarding Lubrification

Motorcycle oils are specifically designed for motorcycle engines. The challenging lubrication requirements of motorcycles get some of you confused. Spectro Lubricants answers a couple of your new questions. Question. At what oil operating temperature will your Heavy Duty Platinum 20w50 synthetic oil start breaking down? Answer. 
Spectro HD Platinum 20w50 won’t start to break down […]

Zipper’s Twin Cam® 95″ and 103″ Cylinder Exchange Program. No Wait…

Zippers offers a new exchange program with no wait to have your cylinders sized. Their Twin Cam cylinders are in stock, fitted and ready to ship. Forged Wiseco pistons with moly-coated skirts in three different dome configurations allow you to choose the correct compression for your application. Cylinder kits include rings, pins, clips and a […]

S&S Cycle Viola V-Twin Now Offers U.S. Made Cometic Gasket Kits For Vintage And Latest Bike Models

S&S Cycle has added Cometic® gasket kits to its Viola V-Twin (VVT) line of quality service parts for maintenance and repair of American v-twin motorcycle engines. VVT carries engine gasket kits and top end gasket kits for 1948-present Harley-Davidson® big twins and 1986-present Sportster® models. This offering brings superior gasket technology to vintage bikes as […]

Building Engine Muscle With The 103″ Kit From Zipper’s Performance

One part number is the ticket to get the power and performance gains of the Zipper’s Muscle Kit 103″. It is designed for use with high octane gas and transforms your stock 96 or 103” Twin Cam® engine into one with a smooth, linear power curve you can feel at any twist of the throttle.

Ness Inverted Air Cleaner Kits

The Ness patented Big Sucker™ technology air cleaner is evolving with a new design featuring an inverted filter that maximizes airflow by pulling in air from the face of the air cleaner instead of the traditional method of pulling air from the sides. The pre-oiled stainless steel filter features an inverted pleated top with pleated […]

New S&S Cycle 3-Piece Flywheel Assemblies. Because You’ve Got To Be Strong To Go Fast…

S&S Cycle just announced the release of a new series of high performance and replacement flywheel assemblies for 1999 and later Harley-Davidson Big Twins and S&S T-Series engines. These new 3-piece flywheels feature mainshafts that are integrated into the flywheel forgings (eliminating two potential points of weakness) and larger 1.671” diameter crankpin. Although this design […]

Have You Ever Tried Motorcycle Gaskets Made Of Molded Rubber Over Steel?

Gaskets are not not the sexiest parts of your motorcycle and not the easiest for me to talk about to interest all of you. But those who are professionals or tinker in their garage know that all gaskets are  not born equal. Which makes the difference between no-trouble leak proof components from first installation to […]

S&S 55th Anniversary Commemorative Black Carburetor Kit Still Available For 99-05 Big Twins

This commemorative S&S Cycle 55th Anniversary limited edition black carburetor is already sold-out for 1984-1999 Big Twins, but a few remain available for 1999-2005 Big Twins (models E and Super G with manifold) They feature a specially machined venturi for up to 7% more flow and a distinctive black Enduraguard® coating that not only looks […]

New Harley-Davidson Extreme Billet Air Cleaner

The new Screamin’ Eagle Extreme Billet Ventilator Air Cleaner Kit (P/N 29400163 Chrome, P/N 29400164 Cut Back Black; $449.95) offers a detailed cover for the proven Screamin’ Eagle Ventilator filter element. The machined billet aluminum cover features high-end detailing with exposed hex-shank chrome fasteners and heavy-gauge stainless steel wire mesh inlays. Available in Chrome or […]

New From S&S Cycle. Super Stock Crankcase For 2007-2014 Harley Davidson Touring Models

Now owners of 2007-í14 Harley-Davidson touring models can replace worn or damaged crankcases, or build a really large engine with S&S crankcases. Oil line conversion kit required. Currently available for touring models only. Stock looking, but with stronger and thicker wall sections, superior 356-T6 aircraft grade aluminum, TimkenÆ sprocket shaft bearing, and a tough powder […]

Performance Zip Kit For 2007 to 2014 Harley-Davidson Sportsters

Zipper’s Performance offers Zip Kits, pre-engineered packages including a Thundermax air cleaner kit, a choice of performance pipes and and the cutting-edge ThunderMax® with AutoTune EFI Controller. Conceived to immediately optimize reliability and increase the performance of factory Harley-Davidson engines. The Sportster featured here shows the kit with Thundermax air cleaner and D&D 2 into […]



Cyril Huze