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  370 CYLINDER KIT
 


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Our Price: $1,299.00
Sale Price: $949.00
You save $350.00!


HEAD COLOR

Color*: 		  
PORT JOB

  
SPACER PLATE KIT

  
EXHAUST FLANGE

  

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Description
 
****THE 370CC CYLINDER KIT REQUIRES CASE BORING + 5MM STROKER CRANK FOR ALL MODELS***

CHECK OUT THE ALL NEW ESR MANUFACTURED CYLINDER KITS FOR THE TRX 250 HONDA!! 25 YEARS OF PORTING R&D IS NOW AVAILABLE IN A COMPLETE BOLT ON KIT. THE CASTING OF THE NEW CYLINDER HAS BEEN COMPLETELY REWORKED WITH NEW PORT TIMING, RE SIZED INTAKE, EXHAUST, AND TRANSFER PORTS. EACH CYCLINDER IS ALSO HAND PORTED TO THE CUSTOMERS SPECIFICATIONS FROM A SELECTION OF 3 DIFFERENT PORT LEVELS LISTED BELOW

  • TRX7 MX/Woods  (Low End)  The ESR TRx7 cylinder is our low-end power option. It exhibits plenty of low-end torque and mid-range power. An excellent choice for MX and Woods riders.   
  • TRX9 All-Around (Mid Range) Our TRX9 cylinder is for mid-range and top end power. this allows for terrific performance at higher RPM’s, without sacrificing low-end punch and ridability. Great for Duners or TT racers.   
  • TRX11 Drag Porting (Top End) The TRX11 is an extreme port job that takes top end performance to the next level! Ported for all out high revving power, this cylinder redefines “top-end performance”. This cylinder is for drag racing and hill shooting only.
ALL KITS INCLUDE:

  1. CYCLINDER
  2. BILLET CNC MACHINED HEAD
  3. REMOVABLE DOME
  4. 78.0mm WISECO PISTON KIT (78.5, 79.0, 80.0mm pistons available for over bore)
  5. TOP END GASKET KIT
  6. BILLET WATER NECK
  7. CUSTOM HAND PORTING!
*****THIS KIT REQUIRES A 5MM STROKER CRANK AND .250 SPACER PLATE*****

Other Options:  

·          If you have a long rod crank 87-89’ model years you will need a .250 spacer plate.  

·          Billtet Exhaust flange 

·          5mm Stroker Crank
Features


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HONDA TRX 250R 86-89 ATC 85/86