SKU: 57408466097

Skunk2 Alpha Connecting Rods - K20C1 Civic Type R (306-05-1220)

Sale price$233.52 Regular price$259.47
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Ships within 48 hours · Estimated delivery Sep 7 - Sep 12

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Description

Skunk2 Alpha Connecting Rods - K20C1 Civic Type R (306-05-1220)Alpha Series Connecting Rods for Honda's K20C1 Civic Type R FK2 engines. Alpha Series Rods are forged from select 4340 chromoly steel and feature a straight H beam design, resulting in the ultimate strength to weight ratio. 4340 chromoly is one of the strongest materials available, however, not all 4340 chromoly is the same. As such, Skunk2 relies on extensive material testing and works closely with its foundry to produce high quality rods at an

Alpha Series Connecting Rods for Honda's K20C1 - Civic Type R FK2 engines.

Alpha Series Rods are forged from select 4340 chromoly steel and feature a straight H-beam design, resulting in the ultimate strength-to-weight ratio. 4340 chromoly is one of the strongest materials available, however, not all 4340 chromoly is the same. As such, Skunk2 relies on extensive material testing and works closely with its foundry to produce high-quality rods at an affordable price. Comprehensive heat-treating, tempering, and shot-peening processes together ensure that each Alpha Series Rod remains consistent and strong. Finally, each rod is magna-fluxed to ensure integrity and that each process has been completed thoroughly and according to Skunk2’s rigid specifications. 

Skunk2’s engineers spent nearly three years developing and testing its straight H-beam rod design. The results are one of the strongest beam configurations available, capable of handling more than 900 hp. Engineers made use of FEA (Finite Element Analysis) to determine high-stress points and implemented features to reduce wear and increase strength. Skunk2’s straight design distributes stress across a larger area when compared to tapered rods, providing additional support where necessary. 

Alpha Series Rods are manufactured from two-piece forgings, resulting in optimal grain orientation along the rod cap for increased strength. By orienting the metal’s grain in the direction of stress along the rod cap, perpendicular to the stress exerted along the beam, strength is significantly increased. Skunk2’s two-piece forgings provide a precision-tight fit between the rod’s cap and its beam without resorting to the brittle materials required by other processes. 

Alpha Series Rods also feature dual oil passages at their pin ends, providing additional lubrication and cooling, which leads to an even stronger, more durable rod. Unlike other designs, Skunk2’s carefully positioned, offset oil passages help deliver lubrication around the entire wrist pin, during each phase of the engine cycle. 

Connecting rod bolts endure more stress than any other engine fastener. Each Alpha Series Rod features high-quality, Skunk2-branded, 3/8-inch ARP2000 bolts. ARP2000 rod bolts are forged, heat-treated, precision-machined, and capable of clamping loads as high as 220,000 psi. Precision-machined, bronze wrist pin bushings are also fitted to each Alpha Series Rod for increased wear resistance, and are compatible with most aftermarket pistons without additional machining. 

Not all forged H-beam rods are the same. Only Skunk2’s Alpha Series Rods feature our unique design, precision machining, and are capable of handling more than 900 hp, all at an economical price.

  • Set of 4
  • Length: 139.00mm
  • Weight: 499 grams
  • Precision Machined
  • 3/8-Inch ARP2000/Skunk2 bolts
  • Shot-peened for reduced fatigue
  • Bronze wrist pin bushings
  • Laser-etched Skunk2 logo for authenticity
  • Fatter, H-beam design without drastic weight increase
  • Pin end compatible with most aftermarket pistons without machining
  • Not compatible with OEM style pistons.
  • Dual-pin oil passages for increased lubrication and strength
  • 900+ hp capable
  • Balanced +/- 1 gram
  • Magna-flux inspected
  • Heat-treated
  • FEA analyzed
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 57408466097

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Gracie Ray
Bozeman, US
★★★★★ 3
The sheet is too short for my liking
Color: Heather Grey(flat Sheet Only), Size: King
This king sized top sheet wasn’t quite long enough for a good tuck-in. Can’t comment on wearability because I won’t be using it. Did not return because I had washed it
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Reviewed in the United States on February 13, 2026
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RoRunner
Whiting, US
★★★★★ 5
Warm and Soft
Color: Solid Forest Green(flat Sheet Only), Size: King
I wanted a sheet that felt warm in the cold weather. Upon reviewing several other sheets, I took a chance on this type. I’m happy I did, no more cold feet in bed! It washes and dries (on low temp.) very well too.
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Reviewed in the United States on January 26, 2026
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Larisa Lee
Boise, US
★★★★★ 5
comfortable
Color: Charcoal Dark Grey(flat Sheet Only), Size: King
Comfortable lightweight, soft sheet. Like the color.
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Reviewed in the United States on January 7, 2026
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Nova
Birmingham, US
★★★★★ 5
So I’ve purchased these twice
I purchased these sheets twice because I like them that much. I’m really particular about the texture and material of the sheets I use. After trying jersey sheets about 5-6 years ago, I refused to go back to microfiber. They have the feel of a t-shirt, but it’s your bedding. I love the feeling for my pillowcases, too. This brand’s sheets fit my mattress perfectly. My mattress is a queen sized Casper mattress and 11 inches thick. I’m also a restless sleeper. If the sheets don’t have deep enough pockets, the corners become loose and the fitted sheet tries to escape the mattress. These stay perfectly in place no matter how much I move. As a general note, though, since I see this a lot—PLEASE check the thickness of your mattress! Not all sheets have the same pocket depth! If your mattress is 8 inches thick and you’re buying sheets that are for 6 inches of thickness, it’s not going to fit right! If your mattress is 8 inches thick and you’re purchasing sheets that are for 11+ inches of thickness, they’re more than likely going to be too big, but more likely to stay in place if you buy too small. Still, loose sheets tend to bunch on the actual sleep surface and create uncomfortable fabric ridges. Don’t do that to yourself. Buy the right sized sheets for your mattress! For me, these are perfect! I love the colors available. I tend to buy lighter grays and teals for my bed. They survive my restless sleeping and yucky, sticky humidity of northeastern coast summers. The color doesn’t bleed out when washed. They’re such a soft, comfy texture. The other thing about jersey knit sheets is that the top sheet drapes over your body with a bit more weight. Microfiber is lighter and doesn’t give you the ‘completely covered’ feeling that I find I love about the jersey knit sheets. The jersey knit sheets, I find, because of the material weight, naturally sit and slightly conform to the form they are draped upon. Once again, being a restless sleeper, I do not have to worry that my tossing and turning will cause the sheet to attempt escape from my bed and body on its own. But they also do not make me feel additional warmth. I do not like being hot when I sleep. They are perfectly cool on their own or with a light knit blanket on top. They won’t trap in heat that you don’t want them to. If you want to trap heat, add a warmer blanket. They do tend to be a little on the expensive side in comparison to other jersey knit sheets, so I tend to wait for the sales to grab them! But I really, really like this brand.
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Reviewed in the United States on December 28, 2024
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barb.
Houston, US
★★★★★ 5
High Quality - Great Price
Size: Queen, Color: Blue
Great sheets. They are soft, wash up well, fit as stated. The fabric makes it easier to make the bed. I would recommend to everyone.
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Reviewed in the United States on December 27, 2025

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