ZZP 1.9 Rocker Arms

Camshafts & Valvetrain - ZZP 1.9 Rocker Arms
Camshafts & Valvetrain - ZZP 1.9 Rocker Arms
Camshafts & Valvetrain - ZZP 1.9 Rocker Arms
Camshafts & Valvetrain - ZZP 1.9 Rocker Arms

ZZP 1.9 Rocker Arms

19 reviews
Regular price $299.99
  • In stock, ready to ship
  • Inventory on the way

This is our latest 3800 product. It is a lightweight replacement rocker arm, (over 27% lighter than the OEM rocker arms!) however this is the higher 1.9 ratio version, the stock rockers are 1.6 ratio. These are intended to maximize the performance of the stock camshaft by increasing the lift of the stock cam lobe. Increasing the lift of the valve will improve airflow through the heads resulting in about 5-7% more horsepower. They will reduce the boost a bit in supercharged applications which will reduce knock. These will work great in supercharged, turbo, or naturally aspirated 3800 cars. We also be offer them in a 1.65 ratio as well.

If your valve springs have less than 100,000 miles on them, generally they can be reused. However running 90# valve springs and LS style retainers will allow you to bump the shift point a bit more for more higher RPM gains and avoid valve float.

They come as a complete set, with the rocker arms themselves, custom pedestals, new rocker bolts, and a set of 5/16" chromoly push rods.


  • (12) rocker arms
  • (6) pedestals
  • (12) 5/16" 7.00 chromoly push rods (works with 6.95-7.00)
  • (12) rocker bolts


Note: Our 1.9 rockers are intended for a STOCK CAM ONLY, they will damage your valvetrain even on the smallest aftermarket cam. 

CLICK HERE for Digital Install Instructions

    Customer Reviews
    4.7 Based on 19 Reviews
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    Filter Reviews:
    • heart
    • breed
    • pants
    • conclusion
    • replacements
    • factory rockers
    • laziness
    • supercharger kit
    • stockers
    • pulley
    Trevor L.
    United States United States

    1.9 rockers

    They're great pretty easy install just taking everything off is the bigger pain anyway drop my boost just a little but that was the plan ........smaller supercharger pulley soon

    Frank C.
    United States United States

    Nice rockers

    My factory rockers were bad, thanks to the previous owner and laziness. I looked for replacements and came to the conclusion i could Upgrade for nearly the same price. Now that being said, the seat of the pants feel from these to OEM was minimal, the engine sounds healthier, deeper and over all better. But I am not going to say it turned the car into a fire breathing monster. I do plan on later putting a supercharger kit into the car, so current review is NA, also I am driving the heaviest of the breed. But overall I would buy these over stockers in a heart beat.

    Michael C.
    United States United States

    1.9 rockers

    Good rockers top quality and easy install

    Parko S.
    United States United States

    Its Day And Night

    Its Day And Night

    John S.

    Noticed a trend

    I spotted another customer with pedestal clearance issues as I did. After contacting ZZP they told me the pivots were not centered. this held true with 2 of the pivots but the real problem was the rockers had enough flash to keep me from mounting 3 of the assemblys. I went to my sons machine shop to clean up the rockers and allowed room for thermal cycling. Went together smoothly and along with all the other products from ZZP, IC , pulley and previous mods the car runs fantastic. I was always a skeptic on rocker ratio and valvetrain drag but this made a big difference! Good bang for the buck. ZZP is the perfect place for my GTP, thanks!!

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