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  VW Parts Catalog > Engine Parts >

SINGLE ACN Heavy Duty Aluminum Pushrod, Cut to Custom Length (Assembled)
SINGLE ACN Heavy Duty Aluminum Pushrod, Cut to Custom Length (Assembled)
 
SINGLE ACN Heavy Duty Aluminum Pushrod, Cut to Custom Length (Assembled) - THIS PRODUCT IS A SINGLE PUSHROD.

Are you sick of the clackity-clack clack clack valvetrain noise that steel pushrods give you when the engine gets hot? SO WERE WE! So we sourced and had made these super Heavy Duty aluminum pushrods to assure that the valve clearance is constant regardless of temperatures (PR expansion is the same as stock)!

We successfully use these even on VW Dual Valve Spring equipped engines, with ratio rockers, up to 9500 RPM! These are over 3X stronger than 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.

These pushrods feature 3/8" 2024 T-3 heat treated .095" wall thickness whichare good to 400-500 lbs of spring pressure - perfect 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!
Price: $30.00
(price includes Cut-to-Length & Assemble Fee)
Country of Manufacture or Origin: MADE IN USA


Availability: Made to Order Item - Usually Ships in 7 to 10 Days
: ACNHDALPRCUT-SINGLE

Enter Custom Pushrod Length (inches or mm)


Custom Made Item Agreement

I AGREE TO THE MADE TO ORDER TERMS THAT APPLY TO THIS ITEM
MADE TO ORDER TERMS and CONDITIONS: This item is made-to-order and cannot be canceled once manufacture has been initiated (which is typically within 24 hours of order submission). Orders for this item are non-cancellable, non-returnable, and non-refundable. Item IS covered by warranty against verifiable defect for 90 days from date of shipment. Please double check your selection and/or specification to be certain you are ordering what you need!



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

The spring pressure limit is 400lbs with 1.5 rockers and 8200 RPM (straight PRs), but we haven't found the pressure ceiling 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!

WARNING: These come with steel pushrod tips which 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 ideal 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.

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.

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. IMPORTANT: Measurements given are TIP TO TIP measurements (tips installed). And you cannot return pushrods that you have been cut and assembled! These pushrods have a counterbore, so get the shortest pushrod that is longer than you need.

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