Home

Twin Cam

XL & XB

Evo

S&S

 STD

Tech

Racers & Dyno

 Links

 

From road racing to the drag strip in every form of competition, from touring to high output street machines to show winning customs. For over two and a half decades, MEGAFLO prepared cylinder heads have successfully powered every conceivable incarnation of the Harley-Davidson motorcycle to the front of the pack.

 

 

Andrew Rosa, owner of  Rosa's Cycle in Huntington, NY and his 9.2 second stock frame Shovelhead. Equipped with MEGAFLO prepared STD castings. Read more about Andrew's recent racing efforts here.

Russell Hildenbrand, Ruffsdale, PA and his AHDRA Pro Fuel dragster "Plum Crazy". Custom STD/MEGAFLO heads. 1/4 mile ET 6.88 at 204.2 mph.

John Levak's AHDRA Hot Street Buell was finished at the end of the 2007 season with no time for any dyno work and only 5 practice passes at the local track, then off to Rockingham! The result was a 9.98 1/4 mile ET out of this MEGA-FLO built 91 cubic inch S&S based engine. The stock Buell chassis (with extended swing arm), DOT tire, NO WHEELIE BARS, manual clutch and shifting along with the OEM charging system, makes for true street class racing! Except for the additional 70 lbs added to meet class weight restrictions! To see a flash video of John's first 9 second pass (broadband users), left click in the image ►.

 op
 

 

 

Mike Taylor of Columbiaville, MI and his 2000 Big Dog. Powered by an S&S 107" that Mike modified for a balance of performance and reliability, His true "every day street rider" is equipped with a MEGAFLO SS1+ port package, Super G carb prep and a Powerhouse 595e cam. In street trim with 128.2 RWHP and 123 Torque, Mike has ripped 11.4 ET's at the track. When "on the bottle" He's measured as much as 181.2 RWHP. Goodbye clutch!

 

Richey Rey of Queens Village NYC, 105 CI Evo style engine built by Rich with MEGAFLO modified custom STD cylinder head castings. Rich has ridden his street class Superglide to a best ET of 10.21 @ 129 mph!

 

 

 

 

  Interesting!  A 2006 95 cubic inch FXD pulls 97 torque and 92.9 HP with stock cams and slip-on mufflers! Equipped with MEGAFLO heads (TC88SS3.0 port package). Built and tuned by Rosa's Cycle, Huntington, NY.

 

Kevin Weisenstein's Softail custom powered by an S&S 96" Evo style engine. Built by Kevin, equipped with all S&S components a MEGAFLO SS1+ port package and expertly tuned by Glenn at North County Hypersports in Oceanside, Ca. to a peak Torque of 106 and RWHP of 116.2.

 

 

 

 

 

Keith's Big Dog Ultra Ground Pounder. Performing cost effective "hop-up" work to S&S engines has always been a specialty here. This 113 incher equipped with MEGAFLO SS1+ port package, Super G stage 1 carb prep, MEGAFLO developed IPS racing filter, 595 cam and Hooker exhaust for the130+ Torque and 130+ RWHP that this package has consistently produced.

              

Greg Gross of Fairmont WV and his 2001 Road King. Equipped with S&S 625 cams, Mikuni 45 mm carb, a Bassani Road Rage exhaust and MEGAFLO TC HS/C cylinder head package with custom pistons developed by MEGAFLO and Jim McGlynn of Ross Pistons. Greg's 103 inch Twin Cam develops 119 Torque and 129.4 RWHP, 4th gear SAE on pump gas!

 

 

 

When Dave Minarik isn't playing drums for The Clarks he's fabricating custom Harley's that run as good as they look. Dave's personal ride is powered by an 89 cubic inch Evo engine built at MEGAFLO for strong mid-range power. Equipped With an E80 SS2 Port Package produces 99 RWHP and 107 Torque. Oh, there's bafflles in those pipes. Dave is currently running his own gig called King Mouse Customs.

 

 

A FEW INTERESTING POWER CHARTS:

88 cubic inch Buell, built at MEGAFLO for AHDRA Hot Street class.133 RWHP, has turned 1/4 mile ET's of 10.3 @ 130+ MPH in street trim (DOT tire, no wheelie bars, full charging system, manual clutch and shifting). Levak Brothers Racing.

   Mike Slater's "EZ Build Evo". 80cubic inches with MEGAFLO E80SS2 port package, Wiseco pistons, 560V cam, Mikuni 42mm carb and slip-on mufflers with altered baffles. Mike works for New Castle Harley-Davidson and tuning was "seat of the pants" to 99 RWHP, 4th gear SAE.

Did Someone say "Shovelheads are dead"?  I think not. Spare me the current onslaught of "old school" sensationalists, many of whom were in diapers when the last Shovels rolled out of the factory in 1984. It is the school were I started and I am not old.

                                  

This example was built at MEGAFLO for Chris Callen of  the Cycle Source magazine (who was in diapers when the last Shovelhead rolled out of the factory in 1984). S&S 98 inch kit, with a moderate 10.3 compression, Andrews M grind cam and MEGAFLO prepared custom STD castings, 100+  RWHP at only 5300 RPM. Chris can either pull stumps or put quite a few  "built" 95 inch Twin Cams to shame!

 
 

 

 

Back in the previous millennium when Twin Cams were new there was not yet much in the way of performance components.. This 95 inch 1999 FXD owned and assembled by the late "Uncle Dennis" Gonatas used MTC 10.5:1 pistons  with an Andrews 560 cam set, an E series exhaust with 32 plates, S&S Super G carb and a newly developed MEGAFLO SS2.0 port package to achieve 115+ RWHP! In it's first outing at the track during March of 2000, in 100% street trim, 11.43 ET piloted by nephew Nick Gonatas.

 

More to Come