IronThunder

Mark Simiola IronHead Master Prepares and Decks a 1972 IronHead Block to prepare for Oversized Cylinders. Mark Builds, Tunes, Races all years of Harleys. He has his own Dyno and has 35 years of experience.

Jim Doyle 7.22 205 MPH Nitro Harley Funny Bike, Rockingham 2018 Quarter Mile 151 Cubic Inch Nitro Harley Funny Bike

Beautiful Harley Davidson's, My Friend Owns this great shop, I thought You might enjoy it.

This original prototype Sputhe Iron Head Engine has a long history in Racing with the top Names of Harley Drag Racing in the 60's and 70's, Vito Sabato Racing Legend. Master Harley Builders, Mark Simiola and William "Bones" Burkhardt Team Up for this Rare Project. They are Upgrading the Engine to a !18 Cubic Inch.

Mark Simiola's Nitro Harley Funny Bike Start Up. Go Fast Nitro Frankie Holding the front Wheel Down, Mike Lavoie on the Starter

Jay's Harley Ironhead Chopper, no one could kick over and start this high compression Iron Head Chopper for Years. Master Harley Builder and Racer , Mark Simiola was Nice enough to help his friend Jay to Get it running.

Jody Is a Land Speed Motorcycle Racer, Jim is a Drag Strip Racer 1/4 mile. on a 151 cubic inch Harley Nitro Funny Bike. He also rides Dan Grinde Racing 151 cubic inch nitro top fuel bike

Covid -19 Ruined our 2019 Drag Racing Schedule. Hope 2021 is a better year

Jim Doyle Racing and Dan Grinde Racing, Jim Doyle Owner and Rider of His 151 Cubic Inch Nitro Harley Funny Bike, Jim also Rides Dan Grinde's Racing, 151 Cubic Inch Nitro Top Fuel Blower Harley.

Top Fuel Nitro Harley 151 Cubic Inch Blower Bike Engine Explodes Off the Line,Rockingham Dragway 2020

Jim Doyle Racing and Dan Grinde Racing. Jim is the rider of both bikes. Jim Doyle's Bike is a Funny Bike, Dan Grinde Bike is a is a Top Fuel. Rockingham Drag-way, NC, 2020