Customer Ratings
SPI Piston Kits For POLARIS INDY 500 L/C, CLASSIC 1989-1998 73.00MM Big Bore
SPI Piston Kits For POLARIS INDY 500 L/C, CLASSIC 1989-1998 73.00MM Big Bore
Description:
- This bore is 1MM bigger than stock
- Engineered to provide the best possible path for combustion chamber heat transfer to the cylinder walls
- All of our pistons, rings. pins and circlips are manufactured to OEM specifications
- All individual components are interchangeable with original parts
- Piston weight is comparable with original piston
WE ARE PROUD TO BRING YOU THE NEXT STEP IN THE EVOLUTION OF PERFORMANCE POWERSPORTS PISTONS. OUR NEWEST LINE IS MADE FROM A SPACE-AGE ALUMINUM ALLOY WHICH MAINTAINS IT'S HIGH TENSILE STRENGTH UP TO 700°F ( 380°C), 50% HIGHER THAN A CONVENTIONAL CAST PISTON. THIS HIGH TEMPERATURE RESISTANCE SIGNIFICANTLY IMPROVES FATIGUE STRENGTH AND IMPACT TOUGHNESS, WHICH MEANS THAT WE WILL KEEP YOU RIDING LONGER AND HARDER THAN THE COMPETITION.
A machined smooth piston crown should reflect combustion heat while reducing carbon buildup and protecting the top of the piston. Some tests have shown that a machined smooth head can in crease HP and fuel economy by up to 6%.
Brand: SPI
Part Number: 09-712-04
Fitment:
- 1998 POLARIS 500
- 1998 POLARIS 488 TRAIL RMK
- 1995-1996 POLARIS 500 CARB
- 1996 POLARIS 500 CARB RMK
- 1992-1998 POLARIS 500 EFI (ALL OPTIONS)
- 1989-1998 POLARIS INDY 500 L/C, CLASSIC
- 1990-1998 POLARIS INDY 500, SKS, SP (EXCEPT 500 SKS 1997)
- 1993-1994 POLARIS INDY CLASSIC TOURING
- 1998,2001 POLARIS INDY CLASSIC TOURING
- 1988-1996 POLARIS INDY TRAIL DELUXE
- 1986 POLARIS INDY TRAIL F/C
- 1994-1999 POLARIS INDY TRAIL, TOURING
- 1987-1988 POLARIS SPORT, EURO
- 1997-1998 POLARIS SUPER SPORT
- 1997-1998 POLARIS SUPER SPORT
- 1991-1994 POLARIS SUPERTRAC
- 1988-1998 POLARIS TRAIL EURO, DLX, SKS, TOURING
Note: Image is for reference only, actual product may vary slightly.
