Supply-chain disruptions have hampered our ability to restock items reliably. Many sought after parts are backordered without ETA info -- backorders with unreliable restock ETAs are VERY frustrating for us as well. We are doing what we can to adapt and recover from the changes to our industry, but currently many shipments are delayed and our response time to emails are slow (we are severely short-staffed). Even if we can't reply to your email promptly, please trust that we ARE working on getting delayed items back into stock for you, and we will contact you when we have any updated news. We appreciate your continued support and understanding.

When you place an online order request, you can opt to have in-stock items processed for shipment in advance of any backordered items. For out of stock items, you are NOT CHARGED, you are automatically added to the reservation waitlist, and we post stock status / backorder info to your Order Status/History Detail View in your online Customer Account. You can email to cancel un-shipped/un-paid items at any time as long as they are not special order or made/machined-to-order.

Please only continue if you are prepared to be PATIENT. Requested items could be delayed by supplier-level backorder, and we usually aren't given reliable ETA information. We work diligently to source and fulfill your request for items as best we can.

  VW Parts Catalog > Engine Parts >

ACN Heavy Duty Aluminum Pushrods, Set of 8 (one end out)
ACN Heavy Duty Aluminum Pushrods, Set of 8

Are you sick of the clackity-clack clack clack valvetrain noise that steel pushrods give you when the engine gets hot? SO WERE WE! That's why we designed these aluminum pushrods to assure that the valve clearance is constant regardless of temperatures (PR expansion is the same as stock)! These 3/8" 2024 T-3 heat treated .095" wall thickness pushrods are good to 400-500 lbs of spring pressure for you guys with HUGE valves and valvesprings! Get the benefit of proper expansion and quiet running in a pushrod that can handle almost any valves, RPMs, and springs that you throw at it!

We successfully use these even on VW Dual Valve Spring equipped engines, with ratio rockers, up to 9500 RPM! These are over 3X stronger then the other Aluminum "HD" pushrods available (which we stopped selling due to failures). Run these at .006", same as stock, which will give you .002" when hot. These pushrods are designed by and are exclusive to Aircooled.Net. IMPORTANT: Measurements given are TIP TO TIP measurements (tips installed). These pushrods have a counterbore, so get the shortest pushrod that is longer than you need.Stock length pushrods are returnable (if unused and undamaged).

Also available in custom lengths! ORDER CUSTOM LENGTH HERE.

Price: $139.95
Country of Manufacture or Origin: MADE IN USA


Choose Pushrod Length

Also available in custom lengths! ORDER CUSTOM LENGTH HERE.

Aircooled.Net's World Famous HD Aluminum Pushrods eliminate the CLATTER CLATTER CLATTER that steel pushrod owners suffer from! These pushrods maintain your valve lash under all engine temps, instead of lash increasing as the engine gets hot!
Item Features

SPRING PRESSURE: We have found the spring pressure limit of 400lbs with 1.5 rockers and 8200 RPM (straight PRs), and no limit yet on the dual tapered design. If you use less spring, less rocker, or less RPM you'll be fine. One main reason for running these is to reduce valvetrain mass so you can drop spring pressure, so don't go nuts on the spring pressure!

WEIGHT: For reference, in a 11.600" length, the weight of a stock pushrod is 39.1g, ACN HD Aluminum are 47.8g, ACN Dual Tapered HD Aluminum is 55.8g, Manton Chromoly Straight are 90.2g, and Manton DT Chromoly are 100.5g.

WARNING: These steel pushrod tips are case hardened .012-.015" deep to a 60-62 Rockwell on the C scale (that means they are HARD). YOU must check them for smoothness, and MAY have to smooth them (polish) with some fine emory or sandpaper prior to installation for best results.

Valve lash is critical on aluminum pushrods. It is possible to have a pushrod failure even though you haven't exceeded our RPM or spring pressure limits, and this is always due to excessive valve lash. If your valve lash gets over .010", the tips of the pushrods WILL get pounded into the pushrod. This is not a problem if your valve clearance is the way it's supposed to be, but a swivel foot failure, or loose valve adjusting screw, can cause excessive lash which can ruin these pushrods quickly.

The straight pushrods have an OD of the pushrod body of 3/8" (.375") for those concerned with pushrod tube interference. For reference, the stock pushrod is 10.935 inches long on the 1300, 1500, and 1600 engines. Before you make the jump to Aluminum pushrods, be aware that valve tapping can be caused by valve lash, AND ROCKER ARM SIDE PLAY. Make sure your sideplay is tightend to .005", a loose rocker (side to side) will sound just like a loose valve adjustment.

Average Customer Review: Average Customer Review: 5 of 5 5 of 5 Total Reviews: 1 Add your review too!

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  0 of 0 people found the following review helpful:
5 of 5 Very Happy!! January 8, 2021
Reviewer: Kevin Losee from Glen Cove, NY United States  
My 2332cc had chrome moly PR's and one failed. I ordered a set of BUGPACK cut to fit aluminum PR's. Set at .15 (.006) the ends lasted about an hour. I'm thinking the tips weren't hardened. I ordered a set of ACN PR's cut to 10.8 tip to tip and they are perfect. Idled the car w/o the valve cover's on to watch oil dripping from all 8 rockers. Quiet as a mouse!! Very happy customer.

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