If you're looking to take your clutch game to the next level, the Advanced Clutch HD-M/Race Rigid 4 Pad Kit SB9-HDR4 is a solid choice. This kit features ACT's Heavy Duty pressure plate, which is known for its robust design that boosts clamp load while minimizing deflection. What does that mean for you? Basically, it helps your clutch last longer and perform better, especially when you're pushing your ride to the limits.

One of the standout features is the four-stage heat-treating process applied to the diaphragm. This isn?t just marketing fluff; it genuinely enhances performance and durability. The precision cover stampings give the pressure plate a level of rigidity and consistency that you can feel when you're driving hard. You?ll notice that the 4-pad rigid race discs are crafted from high-quality ceramic friction materials, which really helps with heat tolerance. Plus, the chrome-moly hub is heat-treated, so you know it?s built to withstand some serious abuse.

Now, let?s talk about shifting. The lightweight and rigid design of this kit allows for quicker shifts, which is a game-changer when you're racing or just having fun on the backroads. Sure, the engagement might feel a bit harsher, but that?s the trade-off for faster shifts. If you?ve got a smaller engine, this 4-pad race disc is a great match. It?s designed to work seamlessly with those smaller disc sizes, giving you the performance boost you crave.

Then there's the Monoloc. This one-piece upgrade replaces the standard two-piece wedge collar and wire ring found in pull-type clutches. The spring tension of the segmented retaining ring has been meticulously calculated and tested, ensuring that you get uniform loading on the bearing and pressure plate. This means proper alignment, no matter how you drive or modify your vehicle. The hardened chrome-moly steel construction is also built to last, so you won?t be swapping it out anytime soon.

Install Instructions:

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Features:

Light to moderate pedal effort with aggressive engagement for those who like to push it.
Moderate friction life, thanks to ACT's exclusive diaphragm design that also improves the release mechanism's lifespan.
Engineered for performance, using select ceramic materials that can handle the heat.
Best suited for race use?this isn?t your everyday clutch.
100% clamp load tested and dynamically balanced for reliability at high RPMs, plus it includes ACT's patented Monoloc.

Specifications: