SKU: 79142798862

Extreme Output GM HEI Distributor Cap - 84111

$83.48 $92.75
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Description

Extreme Output GM HEI Distributor Cap - 84111Overview: With the introduction of our 20 Amp Extreme HEI Module, we needed an HEI Cap and Rotor that could withstand the high output. The answer was to mold our own HEI Cap, Rotor and Coil Cover. The Cap and Rotor will fit our HEI Pro Billet Distributor, PN 8365. Features: Application: Year Make Model Submodel Engine Size 1977 1986 Pontiac Firebird 3. 74 8 V 1977 1986 Chevrolet K20 Suburban 3. 74 8 V 1979 1988 GMC G3500 4 8 V 1981 1986 GMC G2500 3.

Overview:

With the introduction of our 20 Amp Extreme HEI Module, we needed an HEI Cap and Rotor that could withstand the high output. The answer was to mold our own HEI Cap, Rotor and Coil Cover. The Cap and Rotor will fit our HEI Pro-Billet Distributor, PN 8365.

Features:

    Application:

    Year Make Model Submodel Engine Size
    1977 - 1986 Pontiac Firebird 3.74/8 V
    1977 - 1986 Chevrolet K20 Suburban 3.74/8 V
    1979 - 1988 GMC G3500 4/8 V
    1981 - 1986 GMC G2500 3.74/8 V
    1978 - 1980 Oldsmobile Cutlass Salon 3.74/8 V
    1978 - 1980 Oldsmobile Cutlass 3.74/8 V
    1975 - 1981 Chevrolet Malibu 4/8 V
    1977 - 1986 GMC Jimmy 3.74/8 V
    1975 - 1978 GMC C15 Suburban 4.25/8 V
    1979 - 1986 GMC G1500 4/8 V
    1976 GMC K15 4.25/8 V
    1980 - 1986 GMC C2500 3.74/8 V
    1979 - 1986 GMC G2500 4/8 V
    1979 - 1986 GMC K3500 4/8 V
    1975 - 1986 Chevrolet K20 Suburban 4/8 V
    1975 - 1978 GMC C15 4.25/8 V
    1977 - 1978 GMC K15 3.74/8 V
    1975 - 1981 Chevrolet Camaro 4/8 V
    1980 - 1986 Chevrolet G20 3.74/8 V
    1979 - 1986 GMC C1500 4/8 V
    1977 Oldsmobile Custom Cruiser 4/8 V
    1975 - 1986 Chevrolet C20 4.25/8 V
    1979 - 1986 GMC C3500 4/8 V
    1979 - 1982 GMC K1500 Suburban 3.74/8 V
    1977 - 1980 Chevrolet K30 4.13/8 V
    1979 - 1982 GMC Caballero 3.5/8 V
    1975 - 1980 Chevrolet C10 4.25/8 V
    1977 - 1986 Chevrolet C10 3.74/8 V
    1977 - 1986 Chevrolet K30 4/8 V
    1977 - 1986 Chevrolet Caprice 3.74/8 V
    1977 - 1986 Chevrolet K10 Suburban 3.74/8 V
    1975 - 1986 Chevrolet K20 4/8 V
    1978 - 1986 GMC Caballero 3.74/8 V
    1975 - 1978 GMC G35 4/8 V
    1975 - 1986 Chevrolet C30 4.25/8 V
    1975 - 1978 GMC K25 4.13/8 V
    1977 - 1979 Oldsmobile Omega 4/8 V
    1976 - 1978 Chevrolet K5 Blazer 4.25/8 V
    1980 GMC C2500 Suburban 4.13/8 V
    1979 - 1986 GMC K3500 4.25/8 V
    1975 - 1978 GMC C25 Suburban 4.25/8 V
    1979 - 1986 GMC K2500 Suburban 4/8 V
    1978 Oldsmobile Cutlass Supreme 4/8 V
    1976 - 1980 Chevrolet C20 Suburban 4.13/8 V
    1979 GMC G3500 4.13/8 V
    1979 - 1986 GMC C3500 4.25/8 V
    1976 - 1978 GMC K25 4.25/8 V
    1975 - 1985 Chevrolet Impala 4/8 V
    1979 - 1986 GMC C2500 Suburban 4.25/8 V
    1979 - 1986 GMC K2500 4/8 V
    1975 - 1980 Chevrolet K10 4.13/8 V
    1975 - 1986 Chevrolet C20 Suburban 4.25/8 V
    1977 - 1986 Chevrolet K5 Blazer 3.74/8 V
    1977 - 1986 Chevrolet C20 3.74/8 V
    1979 - 1982 Chevrolet Monte Carlo 3.5/8 V
    1975 - 1978 GMC G25 4.13/8 V
    1975 - 1986 Chevrolet C10 4/8 V
    1975 Chevrolet Bel Air 4.25/8 V
    1975 - 1986 GMC Jimmy 4/8 V
    1976 - 1986 Chevrolet Camaro 3.74/8 V
    1977 - 1979 Oldsmobile Omega 3.74/8 V
    1976 - 1978 Chevrolet C30 4.13/8 V
    1976 - 1977 Chevrolet Monte Carlo /
    1976 - 1979 Chevrolet Monza 3.74/8 V
    1979 - 1986 GMC K1500 4/8 V
    1975 - 1986 Chevrolet G30 4/8 V
    1978 - 1986 Chevrolet Monte Carlo 3.74/8 V
    1975 - 1978 GMC C15 4/8 V
    1978 - 1986 Pontiac Grand Prix 3.74/8 V
    1975 - 1978 GMC K25 4/8 V
    1975 - 1976 Chevrolet Malibu 4.13/8 V
    1975 - 1978 GMC C15 Suburban 4/8 V
    1978 - 1980 Pontiac Grand Am 3.74/8 V
    1975 - 1986 Chevrolet K10 Suburban 4/8 V
    1976 - 1977 GMC Sprint 3.74/8 V
    1979 - 1986 GMC C2500 4.25/8 V
    1975 - 1986 Chevrolet C20 4/8 V
    1975 - 1979 GMC Jimmy 4.13/8 V
    1975 - 1978 GMC K15 Suburban 4/8 V
    1977 - 1986 Chevrolet C20 Suburban 3.74/8 V
    1975 - 1976 Chevrolet El Camino 4.13/8 V
    1975 - 1986 Chevrolet C20 Suburban 4/8 V
    1975 - 1980 Chevrolet C10 Suburban 4.25/8 V
    1976 - 1983 Chevrolet Malibu 3.74/8 V
    1979 - 1986 GMC G1500 3.74/8 V
    1975 - 1978 GMC K25 Suburban 4/8 V
    1977 - 1986 Chevrolet K10 3.74/8 V
    1975 - 1979 Chevrolet Nova 4/8 V
    1975 - 1986 Chevrolet G20 4/8 V
    1975 - 1986 Chevrolet G10 4/8 V
    1976 - 1980 Chevrolet C20 4.13/8 V
    1975 Chevrolet Laguna 4.13/8 V
    1976 - 1986 Chevrolet Corvette /
    1976 - 1978 GMC C15 4.13/8 V
    1977 - 1986 Chevrolet G10 3.74/8 V
    1980 - 1982 Chevrolet Impala 3.5/8 V
    1979 - 1980 GMC K1500 Suburban 4.13/8 V
    1977 - 1985 Chevrolet Impala 3.74/8 V
    1979 - 1986 GMC C1500 Suburban 3.74/8 V
    1982 - 1986 GMC C2500 Suburban 3.74/8 V
    1975 - 1977 GMC Sprint 4/8 V
    1978 - 1980 Oldsmobile Cutlass Calais 3.74/8 V
    1978 - 1979 Pontiac Grand LeMans 4/8 V
    1975 - 1980 Chevrolet G20 4.13/8 V
    1975 - 1986 Chevrolet C10 Suburban 4/8 V
    1979 - 1986 GMC C2500 4/8 V
    1975 - 1978 GMC G25 4/8 V
    1976 - 1978 Chevrolet K20 4.25/8 V
    1977 - 1980 Pontiac Grand LeMans 3.74/8 V
    1975 - 1986 Chevrolet Caprice 4/8 V
    1975 - 1986 Chevrolet K10 4/8 V
    1977 - 1978 GMC K35 4.13/8 V
    1977 - 1978 GMC K25 3.74/8 V
    1975 - 1979 Chevrolet G30 4.13/8 V
    1979 - 1980 GMC C1500 4.13/8 V
    1981 - 1986 GMC K1500 3.74/8 V
    1976 - 1980 Chevrolet K20 Suburban 4.13/8 V
    1975 - 1979 Chevrolet K10 Suburban 4.13/8 V
    1977 - 1979 Pontiac Phoenix 3.74/8 V
    1975 - 1980 Chevrolet K20 4.13/8 V
    1979 - 1986 GMC C1500 Suburban 4/8 V
    1979 - 1980 GMC K2500 Suburban 4.13/8 V
    1977 - 1979 Buick Skylark 4/8 V
    1977 Pontiac Ventura 4/8 V
    1975 - 1986 Chevrolet C30 4/8 V
    1979 - 1980 GMC K2500 4.13/8 V
    1977 - 1978 GMC K25 Suburban 3.74/8 V
    1980 - 1981 Chevrolet Camaro 3.5/8 V
    1975 - 1986 Chevrolet K5 Blazer 4/8 V
    1975 - 1978 GMC K25 Suburban 4.13/8 V
    1977 - 1978 GMC K15 Suburban 3.74/8 V
    1978 - 1979 Pontiac Firebird 4/8 V
    1983 - 1986 Pontiac Parisienne 3.74/8 V
    1979 - 1982 Chevrolet El Camino 3.5/8 V
    1975 - 1979 Chevrolet El Camino 4/8 V
    1977 - 1978 GMC C15 3.74/8 V
    1975 Chevrolet Nova 3.67/8 V
    1976 - 1978 GMC C35 4.13/8 V
    1975 - 1978 GMC G35 4.13/8 V
    1975 - 1976 Chevrolet G30 4.25/8 V
    1977 - 1986 Chevrolet K30 4.25/8 V
    1975 - 1978 GMC K15 4/8 V
    1977 - 1980 Pontiac LeMans 3.74/8 V
    1979 - 1986 GMC C1500 3.74/8 V
    1978 - 1979 Oldsmobile Cutlass 4/8 V
    1975 Chevrolet Impala 4.25/8 V
    1975 - 1978 GMC C35 4/8 V
    1977 - 1979 Oldsmobile Starfire 3.74/8 V
    1977 - 1985 Chevrolet K20 3.74/8 V
    1976 GMC G35 4.25/8 V
    1975 - 1978 GMC G15 4/8 V
    1976 Chevrolet Impala /
    1979 - 1986 GMC C2500 Suburban 4/8 V
    1975 Chevrolet Monte Carlo 4/8 V
    1976 - 1979 Chevrolet Nova 3.74/8 V
    1979 - 1982 Chevrolet Malibu 3.5/8 V
    1977 - 1978 GMC C15 Suburban 3.74/8 V
    1977 - 1979 Buick Skylark 3.74/8 V
    1979 - 1986 GMC K1500 Suburban 4/8 V
    1977 - 1979 Pontiac Phoenix 4/8 V
    1978 - 1979 Pontiac Sunbird 3.74/8 V
    1977 - 1980 Buick Regal 3.74/8 V
    1975 - 1976 GMC G25 4.25/8 V
    1975 - 1978 GMC C25 Suburban 4/8 V
    1975 - 1978 GMC C25 4.25/8 V
    1977 - 1978 GMC G15 3.74/8 V
    1978 - 1979 GMC Caballero 4/8 V
    1977 - 1979 Chevrolet C10 Suburban 3.74/8 V
    1979 GMC C2500 4.13/8 V
    1976 - 1986 Chevrolet El Camino 3.74/8 V
    1977 - 1978 GMC C25 Suburban 3.74/8 V
    1977 - 1980 Buick Century 3.74/8 V
    1977 - 1979 Buick Century 4/8 V
    1979 - 1980 GMC C1500 Suburban 4.25/8 V
    1975 - 1978 GMC K15 4.13/8 V
    1975 - 1979 Chevrolet K5 Blazer 4.13/8 V
    1976 - 1980 Chevrolet K10 4.25/8 V
    1975 Chevrolet Caprice 4.25/8 V
    1975 Chevrolet Caprice 4.13/8 V
    1979 - 1980 GMC C1500 4.25/8 V
    1975 GMC Sprint 4.25/8 V
    1975 - 1978 GMC K15 Suburban 4.13/8 V
    1975 - 1976 Chevrolet Monza 3.67/8 V
    1980 GMC K1500 4.25/8 V
    1975 - 1978 GMC C25 4/8 V
    1976 - 1978 GMC C25 4.13/8 V
    1976 - 1980 Chevrolet C10 4.13/8 V
    1981 Chevrolet C10 Suburban /
    1979 - 1980 GMC K1500 4.13/8 V
    1983 - 1986 Pontiac Bonneville 3.74/8 V
    1980 - 1982 Oldsmobile Cutlass Cruiser 3.74/8 V
    1977 - 1978 GMC C25 3.74/8 V
    1978 - 1980 Oldsmobile Cutlass Supreme 3.74/8 V
    1980 - 1982 Chevrolet Caprice 3.5/8 V
    1977 - 1978 GMC K35 4/8 V
    1979 - 1980 GMC K3500 4.13/8 V
    1976 Chevrolet G20 4.25/8 V
    1975 Chevrolet Malibu 4.25/8 V
    1978 - 1985 Chevrolet G30 3.74/8 V
    1977 Buick Regal 4/8 V
    1975 Chevrolet Monte Carlo 4.13/8 V
    1975 - 1976 GMC Sprint 4.13/8 V
    1978 - 1979 Pontiac LeMans 4/8 V
    1980 Chevrolet G30 /
    1976 Chevrolet Laguna /
    1978 Chevrolet C30 3.74/8 V
    1979 - 1980 GMC G2500 4.13/8 V
    1979 GMC G1500 4.13/8 V
    1976 - 1977 GMC K25 Suburban 4.25/8 V
    1981 GMC K1500 Suburban /
    1975 Chevrolet Impala 4.13/8 V
    1975 Chevrolet Bel Air 4/8 V
    1975 - 1978 GMC C35 4.25/8 V
    1978 GMC C35 3.74/8 V
    1986 GMC C3500 3.74/8 V
    1980 - 1981 GMC G3500 /
    1978 GMC C25 Suburban 4.13/8 V
    1985 Chevrolet K20 Suburban 4.25/8 V
    1976 Chevrolet Caprice /
    1975 Chevrolet Monte Carlo 4.25/8 V
    1975 Chevrolet Corvette 4/8 V
    1975 Chevrolet Laguna 4/8 V
    1977 Pontiac Ventura 3.74/8 V
    1977 Oldsmobile Delta 88 4/8 V
    1976 GMC G15 4.13/8 V
    1984 GMC G3500 3.88/8 V
    1975 Chevrolet Bel Air 4.13/8 V
    1978 Buick LeSabre 3.74/8 V
    1979 GMC C3500 4.13/8 V

    Specs:

    Brand MSD
    Color Red
    Distributor Type HEI
    Emission Code 5
    Product Type Distributor Cap
    Warning California Proposition 65
    Warranty Limited 1 Year Warranty
    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: 79142798862

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    4.3 ★★★★★
    Based on 1812 reviews
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    Oldest First
    Product Reviews
    J
    Verified Purchase
    Jesse
    Pawtucket, US
    ★★★★★ 4
    Nice Pillow
    Color: White, Size: King
    I waited a few weeks before writing this review. It’s very difficult to find Info on this pillow but here’s my take on it. Height: It’s a nice height on the pillow. It has a 2” gusset which upon my research is a way to keep the inside foam and down at least 2” high. Types of sleeping: I find this pillow to be comfortable in all sleep positions. I do find that because it’s not full foam that you don’t get that full compression feeling so back sleep is not as comfortable to me as other pillows I’ve used but still very comfortable Back: Has enough height that my neck is supported. It’s not full foam so you will have to adjust your head position so it fits perfectly into the curve of the pillow for best support. Side: Thick enough that the compatibility with my mattress sink allows my body to be comfortably aligned. I have a medium hybrid tempurpedic luxe breeze. Stomach: Just barely thick enough to be comfortable. I sleep somewhat weird and like my arm to go under the pillow. This gives me the correct height for stomach sleeping if I put my head on the bottom part of the pillow. This also allows me to breathe lol. Cooling This pillow has awesome cooling. Even when I wake up the pillow is still ice cold. Never had this feeling before and I’m a hot sleeper so i really like this. Granted I do set my house temperature to like 73 to sleep. The sensor is right next to my bed so it’s a true 73. Material This has foam outer layers and a fiber fill. It really does feel unique and it’s comfy. It’s a decently heavy pillow too in king so that gives confidence there is good quality foam and materials in it. One thing to know, the cover is “slippery” and it took some getting used to, even though I use a pillow case I can feel it slides in the case more than other pillows. I think it’s because the cover is very thing to promote airflow and heat transfer. I wish it was adjustable for the price. Price I like the pillow, and got mine on sale. But I do think it’s a bit overpriced for what it is. Evidently the sale price I got wasn’t a good price and it’s gone as much as 20% off. Oh well.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on August 18, 2023
    M
    Verified Purchase
    Matthew
    Natrona Heights, US
    ★★★★★ 3
    Great Cooling, But Lacking Support
    Color: White, Size: Standard
    I have to agree with some of the other reviews—this pillow just doesn't offer enough support. It initially feels plush and inviting, but after a minute or so, your head sinks too far and ends up pressing against the underlying latex, which has a rubbery, somewhat uncomfortable feel. It might be an excellent fit for those with smaller frames, but for me, it fell short in terms of proper neck and head support. On the plus side, the cooling aspect is impressive. It's cool to the touch and noticeably more breathable than many pillows I've tried. I've seen some complaints about it not staying cool all night, but honestly, no pillow really does. Casper's claim of "12 hours of cooling" seems like marketing optimism—your body heat will eventually warm up any pillow, no matter how well-designed. That’s just basic thermodynamics. All in all, it's a well-made pillow with excellent cooling performance. If you have a smaller frame, this could be a great choice. Unfortunately, it just didn’t work for my needs.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on June 7, 2025
    B
    Verified Purchase
    BP
    Boise, US
    ★★★★★ 1
    Is this a joke?
    Color: White, Size: King
    I don't usually write reviews, but I have to for this pillow. The pillow measures 16" x 32", not 18" x 34" as stated in the description. That's not really a big deal, but they should have the correct size in the description. The problem with this pillow is the total lack of support. My head falls through this pillow within a half hour of laying my head on it. This causes me neck pain and I have to switch to my old pillow in the middle of the night. I'm a bigger dude that's 6'3" and I only sleep on my side. I thought this pillow would be great based on the other reviews that stated it works for side sleepers. I would describe this pillow as a greatly overpriced marshmallow. The pillow does have some decent cooling properties, but they don't last all night as described. This pillow would probably work great for someone who sleeps on their stomach. I wouldn't recommend this pillow to a bigger dude that's a side sleeper. Note: I did find a great Casper pillow that works for me. I bought the Casper Sleep Essential Cooling Foam pillow on Amazon. It's the one that's all foam with a phase change layer to help with cooling. The pillow has great support and it doesn't cause me any neck pain. The best part is the price, it cost less than half the price of the Hybrid Snow Pillow. I hope this review helps someone.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on July 28, 2024
    K
    Verified Purchase
    K. Farnsworth
    Pawtucket, US
    ★★★★★ 5
    A Near Perfect Pillow
    Color: White, Size: King
    I was hesitant to order this pillow because it was so expensive. I was looking for a cooling pillow and after a previously purchased pillow lost it's "cool" after a few nights of sleeping on it, I was concerned that this Casper pillow would do the same. The pillow is so comfortable. My only complaint is that it does not seem to hold the coolness all night. I find I need to flip the pillow over part way through the night. But, when I flip the pillow, it is perfectly cool. The pillow is supportive without being too firm. I love this pillow!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on June 19, 2024
    J
    Verified Purchase
    J&S
    Phoenix, US
    ★★★★★ 2
    Not quite right….
    Color: White, Size: Standard
    I’m torn on this pillow. While it does have merit, there were some serious “flaws” for me. I am a side sleeper and I’ve been on the hunt for a neck supportive pillow. This didn’t have that for me. The night started with good possibility, but I woke up several hours in and found the pillow flat where I was; all the filling had moved to the top. It IS very cool to the touch and I could definitely tell it was cool while sleeping on it. The loft of this pillow is fine, but not stupendous, and the softness was pretty great. Overall, just not the best. If the filling had stayed put through the night, I might’ve kept, but as it was, I returned.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on September 22, 2025

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