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Description
Fits 1984-1986 Chevrolet Camaro; Transmission Crossmember - 71222005HKRThis crossmember is designed as part of a fully engineered LS swap mounting system for 1984 92 GM F body vehicles. It has been CAD designed to provide an optimized balance of weight, stiffness and strength. This crossmember provides direct installation capability for 4th gen F body GTO T56 and aftermarket Tremec T56 Magnum transmissions. Installation of a 4L60 4L70, 4L80 4L85, TH400 or 2004R automatic transmission can also be accomplished using this
This crossmember is designed as part of a fully-engineered LS swap mounting system for 1984-92 GM F-body vehicles. It has been CAD designed to provide an optimized balance of weight, stiffness and strength. This crossmember provides direct installation capability for 4th-gen F-body/GTO T56 and aftermarket Tremec T56 Magnum transmissions. Installation of a 4L60-4L70, 4L80/4L85, TH400 or 2004R automatic transmission can also be accomplished using this crossmember and the Hooker BlackHeart 12650HKR, 71223003HKR, or 71223004HKR adapter kits. LS Oil Pan 302-2 can be used with these mounts.
Features:
- Designed for use in LS Swap applications (Engine mounted with Hooker 71221003HKR brackets only) or to accomplish an LT1/LT4 T56 transmission swap behind a Gen 1 SBC engine
- Plate steel construction - provides a durable transmission mounting solution
- CAD designed- provides optimized strength, stiffness and weight
- Built-in divorced, adjustable torque arm bracket- solves installation issues with using transmissions not factory installed in 4th-gen F-body vehicles
- Dual-arch exhaust passages - provides highest exhaust ground clearance available
- Semi-gloss black powder coat finish- provides attractive corrosion-resistant appearance
- Transmission installations other than 4th-gen F-body T56/T56 Magnum require the use of the following adapter kit: 4L60-4L70 transmissions - 71223003HKR, 4L80/4L85 transmissions - 71223004HKR, TH400/2004R transmissions - 12650HKR
- LS Oil Pan 302-2 can be used with these mounts
Specs:
| Application | 1982-1992 Camaro / Firebird |
|---|---|
| Application | GM LS Engines |
| Brand | Hooker BlackHeart |
| Color | Black |
| Emission Code | 6 |
| Exhaust Series | Hooker BlackHeart |
| Finish | Black Powdercoated |
| Material | Steel |
| Motor Type | GM LS/SBC |
| Product Type | Transmission Crossmember |
| Sale Category | Engine Swap Parts |
| Transmission | 200R4 |
| Transmission | 4L60E |
| Transmission | 4L65E |
| Transmission | 4L70E |
| Transmission | 4L80E |
| Transmission | 4L85E |
| Transmission | T56 GM |
| Transmission | T56 Magnum GM |
| Transmission | TH400 |
| Transmission Type | T56/T56 Magnum |
| Type of Component | Crossmember |
Application:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1984-1986 | Chevrolet | Camaro | Berlinetta |
| 1985-1990 | Chevrolet | Camaro | Iroc-Z |
| 1984-1987 | Chevrolet | Camaro | Sport |
| 1984-1992 | Chevrolet | Camaro | Z28 |
| 1989-1992 | Chevrolet | Camaro | RS |
| 1992 | Chevrolet | Camaro | RS Heritage Edition |
| 1992 | Chevrolet | Camaro | Z28 Heritage Edition |
| 1989-1992 | Pontiac | Firebird | Formula |
| 1984-1992 | Pontiac | Firebird | Trans Am |
| 1989-1992 | Pontiac | Firebird | Trans Am GTA |
| 1988 | Chevrolet | Camaro | Base |
| 1984-1992 | Pontiac | Firebird | Base |
| 1987 | Chevrolet | Camaro | LT |
| 1989 | Pontiac | Firebird | Trans Am GTA SE |
| 1984-1986 | Pontiac | Firebird | S/E |
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4.5 ★★★★★
Based on 30 reviews
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Product Reviews
★★★★★ 4
Large a tad small for 11 mens supercomfy and well made
Size: Large, Color: Color Mixed(quarter Socks)
These are quality socks, but for me the large are a bit small at size 11 shoesize. They are warm in any conditions, and warm days they can feel a bit stiffling, and I have probably sweatier than average feet, so without well ventilated shoes, my feet still get damp. They are so soft and cozy in cooler/cold weather. But again, it the heat, with some sweat, this makes them a bit "slippery" and my feet slide in my shoes on steep off-camber terrain. I would probably buy these again, except I have 6 pairs, and my wife buys me expensive branded socks I'd never purchase for myself.
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Reviewed in the United States on March 25, 2026
★★★★★ 5
Awesome hiking socks!
Size: Large, Color: Grey
Very comfortable and durable. I'm very happy with the quality of these sicks. I wear a mens size 11 shoe. The back of the sock come up about 1/2" above the back of my shoe. They are a perfect fit. I couldn't be happier with these. They are just the right thickness, too.
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Reviewed in the United States on April 17, 2026
★★★★★ 5
Improved my foot health
Size: Medium, Color: Color Mix
I’ve been dealing with athletes foot for decades and using daily maintenance medication for longer than many people reading this have been alive. I generally don’t have any issues other than I always at least one or two nails that are cloudy and brittle. I’ve tried synthetic blends in the past but this just seemed to make things worse so I always go back to cotton.
I was been reading about the benefits of wool so I thought I would try these socks. I had several clouded nails at the time but in just a few weeks of wearing wool socks I noted subtle improvements. At the time of writing this it has been over 4 months of wearing wool socks exclusively and all my nails are completely clear and healthy! I honestly can’t believe it since I haven’t had seen completely healthy nails since I was a teenager. I do continue to use daily antifungal maintenance medication but the only change has been the wool socks.
I think part of the issue was the cotton socks being soaked with sweat when I took them off at the end of the day regardless of the season or activity levels. The wool socks, however, are usually dry. Even after taking them out of a hiking boot on a hot day on the trail they will feel damp but not soaked. Consequently, they dry out completely on a rock while taking a short break. By staying dry they don’t bind up and cause hot spots like cotton socks. That, and I think they just distribute the heat better than cotton and I wouldn’t be surprised if they are actually cooler on hot days. Of course, in cooler temps they are warmer and I did appreciate how much so until the other day when I wore some cotton socks that felt like I was wearing ice cubes on my feet when I was walking around my hard wood floors at the end of the day.
With these particular wool ankle socks I did note a hole around the toes with a couple of the socks after a few washes. My experience with cotton socks is that even the smallest of holes will grow exponentially with each use and so I generally just discard them. At first, I was disappointed thinking that these socks would not last but it does not appear that the holes grow like cotton. In fact, I haven’t thrown one wool sock away. My eyes aren’t great at close distant but it seems like the holes I noticed disappeared. Even if they didn’t it doesn’t matter since they do not currently seem to be a problem. I haven’t had these socks long enough to notice any thinning at wear points like cotton socks but I suspect that since they don’t bind like cotton they are less prone to wear.
I now have a dozen pairs of wool ankle socks and I’ve gotten in the habit of putting them in a separate bin for washing otherwise they end up getting tumble dried with the rest of the family’s close. They have been in drier a number of times and I suspect they look a little more aged as a result. If I wash them separately with other delicate items I just lay them out on the floor after washing since they aren’t noticeably wet after a spin cycle and they completely dry out overnight. At this point I would rather put on a pair of wool socks straight out of the washer then put on dry pair of cotton socks since the results would be the opposite at the end of the day.
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Reviewed in the United States on October 21, 2024
★★★★★ 5
Nice look, good value
Size: Large, Color: Grey Mixed(quarter Socks)
Fit great. Cushion on bottom is exactly what I wanted, top and ankle sections are much thinner as I wanted, so as not to be bulky. Expect they will well for walking and hiking.
They did wash well although did lose some of the softness but did not shrink.
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Reviewed in the United States on March 30, 2026
★★★★★ 3
Nice but issue from manufacuter.
Size: Large, Color: Ivory/Beige/Pink, Size: Large, Color: Ivory/Beige/Pink
I received the 6 pack of socks to give as an Easter present. The socks were great colors, soft, and fit well. Will be a little warm during the hotter days. Unfortunately the yellow pair came with a hole already at the toe area.
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Reviewed in the United States on April 6, 2026