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Hydraulic Clutch Kits
Pontiac V8 Hydraulic Clutch Kits
Lose the Z-Bar — Hydraulic Clutch Kits for Pontiac V8s
A hydraulic clutch kit replaces the Pontiac Z-bar, the fork and the mechanical linkage with a master cylinder at the pedal and a concentric slave cylinder on the transmission. The payoff is a lighter, more consistent pedal, no linkage geometry to fight after a swap, and no bind when the engine moves on its mounts.
Butler carries the American Powertrain GM HYDRAMAX system and the SST hydraulic clutch actuator system, both built for Tremec TKO, TKX and Magnum conversions and supplied as complete kits.
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1. American Powertrain GM HYDRAMAX
Listed for TKO, Muncie, T10, Saginaw, Richmond, Jericho and DN4+3 transmissions.
| Slave and lines | a pre-bled Hydramax concentric slave with double width seals, and teflon-lined stainless steel braided lines. |
| Master cylinder and mount | a 3/4" bore black powder coated master cylinder on a patented adjustable firewall mount with a firewall stiffener. |
| Pedal rods | model specific and adjustable in length. The kit includes rods for 1967-81 F-body, 1964-72 A-body and 1964-78 X-body cars among others. |
| The one disqualifier | American Powertrain states the kit is not compatible with floor mounted pedals. Check your car before ordering. |
| Matching clutches | American Powertrain recommends its Mean Street and Track Slayer clutch kits for use with HYDRAMAX. A reservoir kit, fittings, hardware and complete instructions are included. |
2. SST hydraulic clutch actuator system
Built for the TKO, TKX and Magnum, and ordered by chassis and by transmission.
| Chassis-specific part numbers | SST lists separate numbers for 67-69 F-body, 70-81 F-body, 64-67 A-body and 68-72 A-body, with the 68-72 X-body using the same part as the F-body. Each chassis has a TKX version and a Magnum version, so you order by both. |
| What is in it | a fabricated no-guesswork firewall mount for the master cylinder, a high quality master cylinder, a fluid reservoir and supply hose, a braided steel pressure line, a Super HD FTE concentric slave cylinder, the pedal connection and all hardware. |
| Installed for you | SST notes the concentric slave cylinder mounting retainer will be installed at SST if the kit is ordered with the transmission. If you are buying an SST PerfectFit kit anyway, order the hydraulic kit at the same time. |
3. Deciding between hydraulic and mechanical
Mechanical Z-bar linkage is correct for a restoration and Butler stocks every piece of it. Hydraulic is the better answer on a swap, because a Tremec sits differently than the original gearbox and the factory linkage geometry rarely lands where it used to. It also removes the clutch fork and pivot stud fitment puzzle, which on a Pontiac is genuinely chassis-specific. Confirm your clutch is compatible with a concentric slave before you order either one, and call the shop if you are not sure.
Not sure what your Pontiac needs?
Call our tech team at 866-762-7527. Tell us your engine, heads, car, and power goal, and we will put the parts together as one combination that works.