POLAR SPECIAL PRODUCTS

Sheave set supplied with special bronze bushing installed

SPECIAL LARGE DIAMETER FRONT DRIVE SHEAVES

5.700" Diameter -- may be used with standard polar (3/4")

7/8" wide belt (spacer required)

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Special sheave set supplied with nylon bushing installed.

Drilled & tapped for post stake screws (screws included)

SPECIAL LARGE DIAMETER REAR DRIVEN UNIT

8" diameter -- must be used with 7/8" wide belt and 5.700" diameter front sheaves

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SPECIAL HARDENED RAMPS

Manufactured from high quality O1 tool steel and heat treated to 43/45 rockwell C.

Ramp profile features continuous curve with no defined angle changes to interrupt / stall roller travel.

Close tolerances on stall angle for better car reaction.

Lightweight design is 15 grams/set less than conventional models

18 -- 28 -- 22

15 -- 28 -- 22

12 -- 28 -- 22

12 -- 30 -- 24

12 --36 -- 32 -- 24

11 -- 37 -- 23

10 -- 36 -- 32 -- 24

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SPECIAL HARDENED ROLLER SET

Constructed from hardened steel on bearing surface with self lubricating oilite bearings inside.

The perfect mate for our hardened ramps but may be used on standard ramps for better wear.

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SLOTTED CLUTCH FACE

Promotes better cooling and allows for visual inspection of inside components

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MOUNTAIN MOTOR WEIGHTS

# P110AM

Set of six brass weights -- 10 grams each

May be used separately or along with standard weights (see above) for setups that need very heavy combinations

Supplied with special full diameter bolt as shown below

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ARM BOLTS

High strength aircraft 3/16" full diameter bolts -- will not cut into the arms or spring carrier like standard Allen bolts do. Designed for double shear applications.

# HARD-N Clutch arm -- bottom

# HARD-N2 Clutch arm -- top -- (weight end)

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WIDE BELTS

7/8" Wide belts

# 203784 32.906" (outside circumference)

# 203785 33.875"

# 203786 34.844"

# 203787 35.797"

*** as reference -- # 33188 Std. Polar 9" 34.00"

# 35375 Std. Polar 10" 35.312"

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