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(478) 988-4313

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harley replacement engines

valve job

S&S HARLEY REPLACEMENT ENGINES - CYLINDER HEAD PORTING - HARLEY PERFORMANCE PARTS - DC V-TWIN PERFOR

An SS cycle engine is the best choice when it comes to replacing your worn out stock harley engine and DCV-Twin is the only place to shop for your harley replacement engine. We have the expertise in helping you find the best SS cycle engine to fit your harley replacement engine needs with over ten years of dedicated V-Twin performance knowledge. We can offer you the best service with competitive pricing on all SS cycle harley replacement engines.

Our engines can be shipped as a direct replacement or fully customized to match your Harley Davidson motorcycle. Whether you like ripping up the asphalt, riding two up or even pulling a trailer we have the Harley replacement engine to fit your unique riding style.

There are no limits with DC V-Twin custom engines. We offer different finishes to match you bike schemes and can even customize the induction to fit the look you want. Take a look around at our easy to navigate website on the Harley replacement engine page and see what's available For your motorcycle.

Feel free to call DC V-Twin at 478-988-4313 when you decide to treat yourself to Harley's best replacement engines on the market.


If you are looking for the best in data logging capabilities for your racing application or if you just want to find out what your hot rod is doing, then you need to invest in a Daytona Twin Tec WEGO III system. These units can be added to just about any engine to gather important data for tuning and reference. If you make adjustment to your engine the Daytona Twin Tec WEGO III will record that data for you to retrieve and compare notes run after run.

The new Daytona Twin Tec WEGO III offer single and dual channel wide-band air/fuel ratio (AFT) tuning aids (Including units with built-in data logging). The Daytona Twin Tec WEGO III unit includes LCD display, data logging, 48” standard length harness, Bosch LSU 4.2 oxygen sensor, 18 x 1.5mm weld nut for exhaust pipe and software with CD-Rom.

The system is a versatile tuning aid and diagnostic Harley Performance part tool for all carbureted and fuel injected gasoline powered engines. The Daytona Twin Tec WEGO III unit displays AFR and can log over two hours of data including AFR, engine RPM, and it also has a spare 0-5 volt analog input for sensors such as throttle position or manifold pressure.

The ultra-bright daylight readable blue LED display on the Daytona Twin Tec WEGO III features automatic dimming under low light conditions and for convenience the compact size and wide supply voltage range can also allow operation from small rechargeable batteries in a broad range of applications.

The WEGO III from Daytona Twin Tec use low cost Bosch LSU 4.2 5 wire wide band oxygen sensors and by utilizing miniature surface mount electronics technology, digital signal processing techniques, and a switching power supply for the sensor heater, the WEGO III provides the same level of accuracy as a lab system costing thousands of dollars. So get your Daytona Twin Tec WEGO III system today from DC V-Twin, a major distributor for all Dayton Twin Tec products.

DC V-Twin also offers a full line of Daytona Twin Ignition products. If you have a carbureted bike and new a new ignition or coil, then look no further as Daytona Twin Tec can hit the mark for your application. No matter if you have a Twin Cam style engine, a Sportster or Evolution we can fix you up will all the parts you need. One of the first ignitions to be offered by Daytona Twin Tec is the Nose Cone Ignition. This is the most advanced ignition for older model bikes with several tuning ranges and RPM Limiters.

Model 1005 Internal (Nose Cone) Ignition with Versions for 1970-1999 Big-Twin®, 1971-2003 Sportster®, and 1999-2003 American IronHorse®

Another ignition from Daytona Twin Tec to be offered at DC V-Twin is the TC88 and TC88A. These are excellent choices for add adjustability to your bike. The TC88 is for 1999-2003 bikes with a dual 12 pin connector and the TC88A is for 2003-2006 bikes with a single 12 pin connector. Both ignitions from Daytona Twin Tec offer a wide range of tuning capabilities for dialing in your bike. You can change the timing curves and make advancements in ignition timing, plus you can also raise the RPM for bike which is restricted with the stock ignition for Harley. If you really want to fine tune the ignition timing of your bike, Daytona Twin Tec also has software to plug into your laptop and build a custom timing curve from scratch. While these are just a few of the great features on the Daytona Twin Tec products, give DC V-Twin a call today at 478-988-4313 and find out what other products will compliment your ignition system. We have the best prices and ship the same day in most cases. Call now for more information.

Recent Articles from DC V-Twin

V-Twin Tower of Terror

V-Twin Tower of Terror

V-Twin Tower of Terror

Click to Read Article


Twin Cam Harley Replacement Engine

Unveiling Harley’s® Potential to Parlay Profit for your Shop

Upgrading a 96" and 103" Twin Cam Engine

Click to Read Article


Cylinder Head Porting

Opportunity of a Lifetime:

Building a V-Twin Pro-Stock Engine

Click to Read Article


Harley Replacement Engine

Lucky 113:

Harley-Davidson 110 to 113 engine build

Click to Read Article


Robb Report

Robb Report

Robb Report

Click to Read Article


Testimonials

  • 1

    Dragbike

    I’ve known Derek for over 10 years now and can’t say enough about his professionalism and passion for motorcycles.

  • 2

    Jeser

    I have known Derek since 2010, and he has helped me with everything, from parts to complete engines.

  • 3

    Redel

    I’ve been around fast motorcycles my whole life, but when I switched to the S&S Cycle Pro Stock V-Twin engine it took me to the next level.

  • 4

    Redell

    I’ve been around fast motorcycles my whole life, but when I switched to the S&S Cycle Pro Stock V-Twin engine it took me to the next level.

  • 5

    Olaf Menzi

    Hi Folks My name is Olaf Menzi and I’m living in Switzerland.

  • 6

    Mike

    All of the serious engine builders are at PRI, and one of the best is Derek Churchwell from DC V-TWIN.

  • 7

    Peter Snake

    Derek and I began designing pistons together in 1999 for NHRA Pro Stock Motorcycles.

  • 8

    Chip Ellis

    Derek has built some of the best engines that I have ever raced, including the one we went 6.91 in Sonoma in 2006.

  • 9

    Terry Holsonback

    just wanted to thank you again for all of your efforts to design and build the perfect 126” touring engine for my bike.

  • 10

    Hector Arana

    I have known Derek for 20 years during my racing career.

  • 11

    Matt Smith

    Derek and I have been friends since the mid 90’s.

  • 12

    Matt Smith

    Derek and I have been friends since the mid 90’s.

  • 13

    James Surber

    I first met Derek when I was running the All Harley Drag Racing Series.

  • 14

    Scott & JoAnne Smalley

    I would like to thank Derek for all he has done and designed for me and my company.

  • 15

    Scott & JoAnne Smalley

    I would like to thank Derek for all he has done and designed for me and my company.

  • 16

    Ted Gradolf

    Since it's been about a month now, I wanted to give you a report back on my 2000 Road King.

  • 17

    The Sammy Bonner

    Everything I own is fast - from my cars to my boats.

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