Keith Walters (longtime customer from the U.K) with a motor we helped him with.
Keith's side car racer is far from
a 836cc motor (970cc) but we wanted to show his efforts on the 836cc
piston page of the website.
These 836cc piston choices are lighter, dimensionally perfect and are offered with various coatings for different applications.
"Billet" 65mm (836cc) Lightweight Wiseco Cycle X Pistons (K Models)
We are proud and excited to release these Billet Wiseco pistons with our race proven Cycle X domes. Without blanks or forgings to achieve the race proven dome configurations, the pistons needed to be billet and built from scratch.
These pistons have a bare weight of 161 grams and have a Armor Glide skirt coating, tool steel wrist pins, 2559XA ring sets, .00190 piston to cylinder wall clearance, and larger and deeper valve pockets for big valves and big camshafts.
Depending on the year or combustion chamber modifications, the compression ratios are in the 11.5 to 12.5 range. Your camshaft selection will affect or alter this figures.
Note: The compression ratios was determined with the timing edge of the piston flush with the top of the cylinder.
Note: The cylinder heads are stock cc
combustion chambers without milling or surfacing and a .040 head gasket.
SOHC 69-78 836cc
10 1/4 Compression.
These pistons have the valve cutaway machined in them for bigger cams. Without this
cutaway, you can only use smaller cams without much power gain.
New price: $489.00
Big Bore Combustion Chamber Blending
This combustion chamber service will perfectly match your larger cylinder bore to your combustion chamber.
This procedure is done to any bore size and is accomplished on our milling machine and then hand finishing for extreme accuracy.
$129.00 (Parts and labor)
Thermo Barrier Coating
reintroducing or reminding the public about thermo barrier coatings for
pistons and combustion chambers. This is the same coating used on our
vintage heavyweight super bike (AHRMA) which had remarkable long
intervals between tear-downs.
Piston coating: $139.00
Combustion chamber coating: $139.00
Call to order.
If you're in need of tech help, refer to our pistons tech tips page.
A 3.99% customer service charge is applied to all phone orders.
If ordering via phone, please also provide the part # of any products you are interested in for faster and more accurate service.
If you encounter a (rare) broken button as you're trying to add parts to your cart (going to PayPal summary instead of your cart or not opening PayPal at all) or anything else of concern, please call us to report it. We'll try to have it fixed for your convenience within the next 5-10 minutes. Afterwards, refresh the page and try again.NOTE: As of July 1st, 2018, an extended goods and services tax (GST) has been applied to all Australian consumers buying overseas, charging an extra 10% in taxes to us with each purchase. To ensure that you can continue to purchase from us in Australia and we can provide our parts at our usual lower cost, please contact us at the email below if interested in any particular parts so that we can make a special shipping arrangement for you.
It is the sole and
exclusive responsibility of the purchaser to determine the suitability of any
part, product or work for his or her use.
The purchaser shall assume all legal, personal injury risk and liability and all other obligations, duties and risks therewith. There is no warranty on High Performance products.
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Cycle X Global Headquarters
6246 US Hwy 51 South
Hazelhurst, WI 54531