Dennis Kirk Inc.

Engine Durability Kit - BMP-P800DK

  • Part #:
    133312
  • Mfg Part #:
    BMP-P800DK

Engine Durability Kit - BMP-P800DK

  • Part #:
    133312
  • Mfg Part #:
    BMP-P800DK
MSRP: $599.95

Price: $569.95 5% off!
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Bikeman Performance Engine Durability Kit - BMP-P800DK
  • The relatively short rods and pistons have been the cause of the short life of the stock piston and rings
  • Most machines will lose 20-30 lbs. of compression after just 1500 miles of riding which causes loss in performance
  • If your sled has 1500 miles or more, you are in need of this kit!
  • The key to this kit is the taller pistons we developed which allow less piston rock
  • This reduces the stress on the piston and rings dramatically
  • We also extended piston life by slightly changing the ring location, adding lubrication holes on all four corners of the piston, and Teflon coated the skirts
  • The Durability kit includes a cylinder spacer, but port timing is not changed because the piston is taller by the same amount as the cylinder is raised
  • The added crankcase volume even produces 6 more horsepower
  • So your engine life is extended dramatically, and you gain power at the same time
  • The kit comes with two new Teflon coated pistons, rings, wristpins, circlips, longer cylinder bolts, our machined spacer, longer dowel pins, and two base gaskets
  • 6hp gain with no EFI Controller

NOTE:  We recommend turning up your oil pump 1 turn on non HO(Axys) motors.  On all models, we recommend pre-mixing your fuel at 100:1 in the tank when possible. This helps provide extra lubrication on the intake side of the piston.  Since the injector sprays that side of the pistons, the fuel washes the oil off. For this reason, adding extra lubrication with the fuel will also help extend piston life.

Included Items:
(2) Pistons
(2) Piston pins
(4) Circlips
(4) Rings
(1) Steel cylinder spacer
(2) Metal base gaskets
(2) Dowel pins
(8) 10mm-1.50 x 110 flange head bolts
Instructions

Specifications
Bore Size 85 mm
Mfg #: BMP-P800DK
Part #: 133312
Type Top End Kit w/o Cylinder
Type Top End Rebuild
Units Kit
Weight 6.20 lbs
Resources & Manuals
Fitment for Bikeman Performance Engine Durability Kit - BMP-P800DK

Part 133312 fits the following machines

Polaris

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