Evo Big Twin
Performance Kits

Tired of the headache of trying to piece together engine packages that may or may not work the way you planned? We have done the research for you and even packaged the proper components at significant savings over buying them separately! Each of these kits has not only proven itself on the dyno but in the real world also!

Evo Big Twin
Bolt-On
Big Bore Kits
Evo Bolt-On Big Bore Kit Photo

All Revolution™ cylinder and piston kits come complete with our one piece, all aerospace grade aluminum nickel-silicon carbide plated bore cylinders, complete forged piston kit and head and base gasket kit! Our industry leading lifetime warranty applies to all our cylinders! Now come and get’m!

See Accelerator Podcast No.12 about these big bore kits and our new pistons designed for them.

Buy Online or Call today toll-free 1-866-892-2109!
July 2009 Special! All of these kits are 10% off!Call us for pricing!
Description Contents Styles Price (U.S.) Buy Now
Bolt-on big bore kit, Evo Big Twin 85cid 3-9/16 bore Revolution cylinders 10.5:1 forged pistons, pins, clips, rings head and base gaskets Black Highlight 201-204
Black 201-205
Silver 201-203
$999.95 Enter Store link
Evo Big Twin
Monster Big Bore Kits
Evo Monster Big Bore Kit photo

Our new 3.875” bore kits deliver a whopping 100 inches to your big bore project in your OEM cases and stock flywheel assembly! This bore size can only be achieved by utilizing our one piece aerospace alloy cylinders and plating process. From a stump pulling, torque monster touring machine to an all out race bike this is THE kit to have to be as massive as you can be with forking over the big bucks for aftermarket cases! Available is natural silver, all black, and black with highlighted fins. Kits come complete with Revolution cylinders, forged pistons, wrist pins, circlips, and gaskets as well as a lifetime warranty.
All require case boring.

Buy Online or Call today toll-free 1-866-892-2109!
July 2009 Special! All of these kits are 10% off!Call us for pricing!

Description Contents Styles Price (U.S.) Buy Now
Big bore kit, 100cid (CASE BORING REQUIRED) for Evo Big Twin 3.875" bore Revolution cylinders 10.5:1 forged pistons, pins, clips, rings head and base gaskets Black Highlight 201-210
Black 201-211
Silver 201-209
$899.95 Enter Store link
Big bore kit, 97cid (CASE BORING REQUIRED) for Evo Big Twin 3-13/16 bore Revolution cylinders 10.5:1 forged pistons, pins, clips, rings head and base gaskets Black Highlight 201-207
Black 201-208
Silver 201-206
Call for Pricing  
Evo Big Twin Power Packages  
Throttle body not included.
Description Contents Styles Price (U.S.) Buy Now
Stage 1 engine kit, 80" Evo Big Twin
  • Bore & hone cylinders to 3.515"
  • 10.5:1 pistons, pins, clips, rings
  • Stage 1 head prep
  • Complete Top End Gasket Set
  • Programmable Performance Ignition
Black Highlight, Black or Silver $1380.25  
Stage 2 Carb Engine Kit, 85" Evo Big Twin
  • 3-9/16 bore Revolution cylinders
  • 10.5:1 pistons, pins, clips, rings
  • 1.9 Cylinder Head prep
  • chrome moly adjustable pushrods
  • Matching Street Performance Camshaft
  • Roller Rocker Set
  • Complete Top End Gasket Set
  • Revolution Performance Ignition
  • Performance Coil
  • Mikuni HSR42 Carb Kit
  • Performance Lifter Kit
  • Cam Cover Gasket
Black Highlight, Black or Silver $3769.95  
Stage 2 Injected Engine Kit, 85" Evo Big Twin
  • 3-9/16 bore Revolution cylinders
  • 10.5:1 pistons, pins, clips, rings
  • 1.9 Cylinder Head prep
  • chrome moly adjustable pushrods
  • Matching Street Performance Camshaft
  • Complete Top End Gasket Set
  • Recommended Fuel Management System
  • Performance Coil
  • Bore and Re-Plate Throttle Body (Customer supplied)
  • Performance Lifter Kit
  • Cam Cover Gasket
  • Roller Rocker Set
Black Highlight, Black or Silver $3879.95  
Stage 3 Carb Engine Kit, 100" - (CASE BORING REQUIRED) Evo Big Twin
  • 3.875" bore Revolution cylinders
  • 10.5:1 forged pistons, pins, clips, rings
  • head and base gaskets
  • 1.94 Cylinder Head prep
  • chrome moly adjustable pushrods
  • Wood Performance Street/Strip Camshaft
  • Complete Top End Gasket Set
  • Revolution Performance Ignition
  • Performance Coil
  • Mikuni HSR48 Carb Kit
  • Performance Intake Manifold
  • Performance Lifter Kit
  • Cam Cover Gasket
  • Roller Rockers
  • Performance Clutch and Spring Kit
Black Highlight, Black or Silver $4320.00  
Stage 3 Carb Engine Kit, 85" Evo Big Twin
  • 3-9/16 bore Revolution cylinders
  • 10.5:1 pistons, pins, clips, rings
  • 1.94 Cylinder Head prep
  • chrome moly adjustable pushrods
  • Wood Performance Street/Strip Camshaft
  • Complete Top End Gasket Set
  • Revolution Performance Ignition
  • Performance Coil
  • Mikuni HSR45 Carb Kit
  • Performance Intake Manifold
  • Performance Lifter Kit
  • Cam Cover Gasket
  • Roller Rockers
  • Performance Clutch and Spring Kit
Black Highlight, Black or Silver $3949.95  
Stage 3 Injected Engine Kit, 100" - (CASE BORING REQUIRED) Evo Big Twin
  • 3.875" bore Revolution cylinders
  • 10.5:1 forged pistons, pins, clips, rings
  • head and base gaskets
  • 1.94 Cylinder Head prep
  • chrome moly adjustable pushrods
  • Matching Street Performance Camshaft
  • Complete Top End Gasket Set
  • Recommended Fuel Management System
  • Performance Coil
  • Bore and Re-Plate Throttle Body (Customer supplied)
  • Performance Lifter Kit
  • Cam Cover Gasket
  • Roller Rocker Set
Black Highlight, Black or Silver $4320.00  
Stage 3 Injected Engine Kit, 85" Evo Big Twin
  • 3-9/16 bore Revolution cylinders
  • 10.5:1 pistons, pins, clips, rings
  • 1.94 Cylinder Head prep
  • chrome moly adjustable pushrods
  • Matching Street Performance Camshaft
  • Complete Top End Gasket Set
  • Recommended Fuel Management System
  • Performance Coil
  • Bore and Replate Throttle Body (Customer supplied)
  • Performance Lifter Kit
  • Cam Cover Gasket
  • Roller Rocker Set
call $4219.70  
For the really BIG horsepower numbers, Stage 3 kits are available in bigger bore sizes. These kits are custom tailored to your needs and budget so call toll-free 1-866-892-2109 for details.