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RAM Oval Track
Couplers
Compact, Lightweight Clutch Systems
The cone clutch provides the initial engagement to get the vehicle
moving when the pedal is depressed. Positive lock-up is achieved when
the pedal is released and the splined cone engages the splined top
plate. The RAM coupler is just 5 pounds and 4 fl inches in diameter -
about the size of the crank flange itself! RAM recommends the coupler
be used in vehicles under 2600 pounds.
Here's how it works:
- Neutral is the pedal midpoint, when the direct drive is
disengaged but before the cone cutch re-engages.
- The tapered steel cone meets the tapered metallic lining to form
a clutch for initial movement.
- Once the vehicle is moving, the pedal is released and the direct
drive gears are engaged.
- Use a standard release bearings, cable, hydraulics or internal
bearing with at least 1/2 inch travel.
- The coupler bolts directly to the crank sandwiching your
automatic flexplate.
| Make |
Spline |
Part # |
Price |
| Chevy (early) |
1 1/8-10 |
28510 |
$469 |
| Chevy (early) |
1 5/32-26 |
28540 |
$469 |
| Chevy (late) |
1 1/8-10 |
28590 |
$469 |
| Chevy (late) |
1 5/32-26 |
28595 |
$469 |
| Chevy (early) |
1 3/8-10 |
28525 |
$469 |
| Chrysler 6 Bolt |
1-23 |
28585 |
$469 |
| Ford SB |
1 1/16-10 |
28545 |
$469 |
| Ford SB |
1 3/8-10 |
28550 |
$469 |
| Ford BB |
1 3/8-10 |
28570 |
$469 |
| Ford 2000cc |
1 1/16-10 |
28555 |
$469 |
| Ford 2000cc |
1-23 |
28556 |
$469 |
| Ford 2300cc |
1 1/16-10 |
28560 |
$469 |
| Ford 2300cc |
1-23 |
28561 |
$469 |
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