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Measuring Piston to Wall Clearance
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By Counterman
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link hidden, please login to view estimates the global piston ring aftermarket will reach a value of $2.81 billion in 2024 and increase 4.8% over the next 10 years. According to FactMR, the market share of gasoline and hybrid cars is still huge, which will keep the demand growth for piston rings in the aftermarket steady over the coming years.
Key Takeaways from the FactMR Study:
Aftermarket sales of piston rings are expected to reach US$ 2.81 billion in 2024. The market is forecasted to touch US$ 4.5 billion by the end of 2034. Aftermarket sales of piston rings in the United States are set to reach US$ 581.1 million in 2024. China occupies a 60% share of the East Asia market in 2024. Aftermarket piston ring sales in Japan are expected to touch US$ 258.4 million in 2024. The East Asia market is projected to expand at a CAGR of 5.9% over the next 10 years. The post
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By Counterman
MAHLE
link hidden, please login to viewMotorsport now offers Honda/Acura K24 2.4-liter forged pistons manufactured in high-strength 2618 aluminum alloy in a slipper-skirt forging. Designed for reliability in extreme-duty applications, this set features heavy-duty 0.250-inch wall thickness H13 tool steel wrist pins and comes complete with a nitride-steel 1.2-millimeter top, 1.2-millimeter 2nd and 2.8-millimeter oil ring set.
Dual-coated with phosphate and MAHLE’s GRAFAL skirt coating, the pistons are forged with valve pockets designed to accommodate K20 and K24 heads and fit OE 152.0-millimeter-length connecting rods and OE 22-millimeter Ø wrist pins.
For more information, view this
link hidden, please login to view, view this link hidden, please login to view, call MAHLE Motorsport toll-free at 888-255-1942 or visit link hidden, please login to view. For more information about the full line of MAHLE Motorsport products, download the link hidden, please login to view. The post
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By Counterman
MAHLE Motorsport announced four new performance cast PowerPak piston sets for the 6-liter and 6.4-liter Ford Powerstroke.
Developed in direct response to consumer demand for diesel motorsports competition, the new 6-liter pistons are based on the 2004+ design, and the 6.4-liter pistons are based on the MaxxForce design that provides maximum strength and superior durability, according to the company.
“All four sets offer incredible versatility, allowing a daily driver to become a weekend warrior for drag, dyno or pulling competitions,” the company added.
The castings retain the OEM steel top ring insert for the longevity of the top ring groove and are engineered with fully radiused valve pockets to reduce stress and fatigue cracking. Also, a lower compression ratio (.5 to 1.5 points) allows more flexibility for high-output tuning.
They’re designed with performance bowls that reduce erosion issues caused by high pressure, long duration and advanced injection timing, and available with 0.100-inch-deep intake and exhaust valve pockets that work with many performance aftermarket camshafts.
The 6-liter PowerPak set is cast from MAHLE’s proprietary M124 alloy and the 6.4-liter Powerstroke set is cast from M142 alloy. Both are designed for a 4.134 stroke and 6.929 rod. The CR is calculated with 0.0008-inch piston protrusion above deck and 0.059-inch head-gasket thickness.
As with all PowerPak piston sets, the pistons are treated with MAHLE’s proprietary GRAFAL skirt coating for reduced drag and increased scuff resistance. Heavy-duty DLC-coated tool steel wrist pins, clips and a high-performance ring set rounds out the PowerPak.
“Diesel motorsports is all the rage from NHRDA, ODSS to Ultimate Callout Challenge,” MAHLE Motorsport Program Manager, Joe Maylish said. “We’re excited to announce that MAHLE Motorsport is coming in strong for 2023 with new diesel piston sets in time for this year’s race season. So, if you are a seasoned competitor needing an edge or just thinking about competing this year, our new Powerstroke kits are designed to give you the edge on the weekends and improve performance throughout the week.”
For more information about MAHLE Motorsport’s full line of Ford Powerstroke cast PowerPak Piston sets, visit
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By Counterman
Ford modular engine builders now can indulge in their quest for more power with the introduction of MAHLE Motorsport’s new Ford 5-liter Modular Coyote PowerPak piston set for 2018+ engines.
This piston set is designed to lower the compression ratio to 10.4 to 1 to allow for power adders for those who want to build a high-horsepower Coyote build.
The pistons are dual-coated with phosphate and MAHLE’s proprietary GRAFAL coating for reduced drag and wear. This set features hard anodized top ring grooves for maximum durability for extreme-duty applications, and comes complete with a 1.0 mm, 1.0 mm, 2.0 mm file fit performance ring set, and 0.177 wall pins each weighing 118 grams.
The piston compression height is 1.167, and the weight is 383 grams. The slipper skirt forged piston set utilizes a low silicon 2618 alloy for high load, high stress applications.
For more information about MAHLE Motorsport’s Ford Coyote PowerPak set (part No. 930258762), visit the MAHLE Motorsport booth No. 1601 at the 2022 PRI Show, view this
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By Counterman
Now there’s a way to ensure more reliable power from EcoBoost-powered 2.3-liter engines with the introduction of MAHLE Motorsport’s 4032 alloy Ford EcoBoost 2.3L PowerPak Plus Piston kit.
Designed for heavy-duty applications in which the OE cast piston has been known to fail, MAHLE Motorsport has introduced a 4032 alloy option that not only adds much-needed strength, but also allows for a tighter piston to wall clearance for quieter cold startup, according to the company.
MAHLE Motorsport’s 2.3L PowerPak kit is loaded with value-added features for reliable power production for any 2.3-liter EcoBoost engine, according to MAHLE.
To help correct problems associated with the OE cast piston, MAHLE Motorsport manufactured this kit with a thick slipper-skirt-style forging and an enhanced OE crown design with increased radius for improved strength. Other special features include a heavy-duty 0.200-inch wall thickness; H13 tool steel wrist pins; and a hard anodized top ring groove that is ideal for extreme-duty applications.
The pistons are engineered with thick 0.235-inch top and 0.200-inch second ring lands. The pistons are designed for OE 149.3-millimeter-length connecting rods and OE 22.5-millimeter wrist pins and an OE 32.8-millimeter compression height. Valve pockets and depth accommodates both the 2-liter and 2.3-liter OE EcoBoost heads with a 9.5:1 compression ratio.
The new PowerPak Plus kit is available in 87.51-millimeter (No. 197937145) and 88-millimeter (No. 197937165) bore sizes and includes a nitrided steel 1.2-millimeter top, 1.2-millimeter second, 2.8-millimeter oil-ring set. The pistons are coated with MAHLE’s unique GRAFAL anti-friction skirt coating and phosphate to prevent microwelding and pin galling.
For more information, visit
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