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D&D Custom Cycles 124" Monster Big Bore


Revolution Performance recently worked with D&D Custom Cylces, supplying heads, 124" Big Bore Kit, T-Man camshafts and lower end service

Heads - Revolution Performance Stg.3 CNC Posted Heads

  • 2.00 Intake Valves
  • 1.630 Exhaust Valves
  • 5/16 Bronze AV&V Guides
  • .675 AV&V Duel Coil Springs
  • CNC Ported
  • 89cc Chambers

Big Bore Kit - Revolution Performance 124" Flat-Top Monster Big Bore Kit

  • All Aluminum Nickel Silicon Carbide Cylinders
  • .030 Cometic Head Gasket
  • .020 Cometic Base Gasket
  • 4.250 Wiseco Piston Kit
  • Static Compression 11.3:1 corrected 9.84:1
  • Cylinder PSI 198-200 lbs

Cam Shaft - T-Man 662-2

OpenCloseLiftDurationCenterlineTDCLSAOverlap
Intake235166025410421510545
Exhaust5422660256106202


Lower End Assembly - Revolution Performance Lower End Service

  • Case Bore 4.410 x 1.510
  • Cam Clearance
  • Revolution Performance Timken Conversion
  • Revolution Performance Flywheel Service Balance, True, Plug and Weld
  • New Screamin’ Eagle Right Side Main Bearing
  • New Torrington Cam Bearings
  • Feuling Cylinder Studs
  • Revolution Performance Adjustable Pushrods
  • Complete Powdercoating Services by Revolution Performance

Millennium Technologies Family of Companies logo Powersports Products & Services:
Millennium Technologies Cylinder Services website link Ballistic Performance Components website link