Crf450

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The MME CRF450 engine  combinations offer  the ultimate Horsepower and torque.  Horsepower and torque are drastically improved at all RPMs.

 

 

Services

Head Porting and polishing                                                           $550.00
Custom chamber mod                                                                    $140.00
Machine cam housing for oversized tappets                                 $150.00

custom stroker cranks up to +6mm                                            $600.00+

Re-plate cylinder                                                                               $220.00

Knife-cut, lighten, precision balance crankshaft                          $600.00
Complete Engine Rebuilding   (Tear down & Reassembly)         $550.00

 

Individual Components

 

Complete race head ported with valves and oversized tappets       $2400.00

Piston 13.5:1  96mm                                                                               $225.95
Piston 101mm (500cc)                                                                           $225.95

Big Bore cylinder                                                                                    $600.00
Custom Camshaft                                                                                   $290.00

28mm oversized intake tappets                                                            $  65.00

Valve Intake solid Titanium (2)                                                           $140.00 ea
Valve Exhaust solid Titanium (2007)Oversize (2)                             $140.00 ea
Valve Spring Kit with Titanium retainers                                           $180.00

Knife edge connecting rod                                                                  $220.00

Race crank lightened 4.3 lbs with Knife edge rod  (supercross)    $1220.00

Stroker cranks up to +10mm                                                              $1700.00

 

Note: We are very busy and it's hard to answer questions via email.  Please call or email your phone # and the best time for us to call you.

Phone 618-949-3898

MADMAN ENGINEERING

 RR 2 Box 201A Lake Glendale Rd.

 Golconda, Illinois   62938

info@madmanengineering.com

DIRT, ASPHALT, SNOW
& WATER

 are EVIL and

!!! Must be Punished !!!

Click on link below for more info

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