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Description
Holley EFI Dual Sync Pontiac Distributor, Black - 565-207BKOverview: Introducing the next generation of Holley EFI Dual Sync Distributors, the new design features an improved shutter wheel, high quality dual Hall Effect sensors, and an MSD cap and rotor! While these distributors are designed to be used primarily in sequentially injected installations, you can easily use them as a crank trigger for TBI system also. The precision machined shutter wheel design ensures accurate timing, even at very high engine
Overview:
Introducing the next generation of Holley EFI Dual Sync Distributors, the new design features an improved shutter wheel, high-quality dual Hall Effect sensors, and an MSD cap and rotor!
While these distributors are designed to be used primarily in sequentially injected installations, you can easily use them as a crank trigger for TBI system also. The precision machined shutter wheel design ensures accurate timing, even at very high engine speeds. The Gen 2 Dual Sync also included a QPQ coated shutter wheel for superior corrosion resistance, and the wheel has been pinned and welded to the shaft for increased reliability. These distributors can also be used with other EFI systems that support Hall Effect crank and cam sensor inputs. Do you need to a bronze gear for your billet cam? No problem, these distributors maintain MSD shaft diameters, making it easy to source a bronze gear!
Features:
- Plug and Play with Holley EFIand Sniper EFI with adapter harness part number 558-493
- Includes both crank and cam sensors to support sequential EFI operation
- Hall Effect sensor design provides precise timing control and noise immunity
- Black anodized CNC machined billet aluminum housing provides superior strength and great looks
- Integrated LEDs allow for easy setup
- Available for popular applications
- Comes with hardened steel distributor gear
- Precision machined shutter wheel designed for improved accuracy at extreme engine RPM
- Shutter wheel is pinned and welded to distributor shaft for superior reliability
- Blank cap available for Coil-On-Plug applications
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| 1975 | Pontiac | Catalina | Safari | 455/7.5 V8 |
| 1967 - 1978 | Pontiac | Catalina | 400/6.6 V8 | |
| 1972 - 1976 | Pontiac | Catalina | 350/5.7 V8 | |
| 1970 - 1976 | Pontiac | Catalina | 455/7.5 V8 | |
| 1977 - 1980 | Pontiac | Catalina | 301/4.9 V8 | |
| 1980 | Pontiac | Catalina | 265/4.3 V8 | |
| 1981 | Pontiac | Catalina | Base | 265/4.3 V8 |
| 1970 - 1976 | Pontiac | Firebird | 400/6.6 V8 | |
| 1972 - 1976 | Pontiac | Firebird | 350/5.7 V8 | |
| 1971 - 1976 | Pontiac | Firebird | 455/7.5 V8 | |
| 1967 - 1977 | Pontiac | Firebird | Base | 400/6.6 V8 |
| 1977 - 1979 | Pontiac | Firebird | Base | 301/4.9 V8 |
| 1977 - 1979 | Pontiac | Firebird | Esprit | 301/4.9 V8 |
| 1977 - 1979 | Pontiac | Firebird | Formula | 400/6.6 V8 |
| 1977 - 1979 | Pontiac | Firebird | Formula | 301/4.9 V8 |
| 1969 - 1979 | Pontiac | Firebird | Trans Am | 400/6.6 V8 |
| 1979 | Pontiac | Firebird | Trans Am | 301/4.9 V8 |
| 1980 - 1981 | Pontiac | Firebird | 301/4.9 V8 | |
| 1980 - 1981 | Pontiac | Firebird | 265/4.3 V8 | |
| 1967 | Pontiac | Firebird | Base | 326/5.3 V8 |
| 1967 | Pontiac | Firebird | HO | 400/6.6 V8 |
| 1967 - 1969 | Pontiac | Firebird | 400 | 400/6.6 V8 |
| 1973 - 1975 | Pontiac | Grand Am | 400/6.6 V8 | |
| 1973 - 1975 | Pontiac | Grand Am | 455/7.5 V8 | |
| 1973 | Pontiac | Grand Am | 350/5.7 V8 | |
| 1962 - 1966 | Pontiac | Grand Prix | 389/6.4 V8 | |
| 1963 - 1966 | Pontiac | Grand Prix | 421/6.9 V8 | |
| 1967 - 1977 | Pontiac | Grand Prix | 400/6.6 V8 | |
| 1967 - 1969 | Pontiac | Grand Prix | 428/7 V8 | |
| 1970 - 1975 | Pontiac | Grand Prix | 455/7.5 V8 | |
| 1958 | Pontiac | Star Chief | 370/6.1 V8 | |
| 1959 - 1966 | Pontiac | Star Chief | 389/6.4 V8 | |
| 1963 - 1966 | Pontiac | Star Chief | 421/6.9 V8 | |
| 1958 | Pontiac | Super Chief | 370/6.1 V8 | |
| 1960 - 1961 | Pontiac | Ventura | 389/6.4 V8 | |
| 1961 | Pontiac | Ventura | 421/6.9 V8 | |
| 1972 - 1973 | Pontiac | Ventura | 350/5.7 V8 | |
| 1974 - 1975 | Pontiac | Ventura | Base | 350/5.7 V8 |
| 1974 - 1975 | Pontiac | Ventura | Custom | 350/5.7 V8 |
| 1967 - 1976 | Pontiac | Parisienne | 400/6.6 V8 | |
| 1970 - 1976 | Pontiac | Parisienne | 455/7.5 V8 | |
| 1981 | Pontiac | Parisienne | Base | 265/4.3 V8 |
| 1971 - 1978 | Pontiac | Grand Safari | 400/6.6 V8 | |
| 1977 | Pontiac | Grand Safari | 301/4.9 V8 | |
| 1971 - 1976 | Pontiac | Grand Safari | 455/7.5 V8 | |
| 1970 - 1971 | Pontiac | Acadian | 402/6.6 V8 | |
| 1961 | Pontiac | Tempest | Base | 389/6.4 V8 |
| 1961 | Pontiac | Tempest | Safari | 389/6.4 V8 |
| 1961 | Pontiac | Tempest | LeMans | 389/6.4 V8 |
| 1963 - 1965 | Pontiac | Tempest | 326/5.3 V8 | |
| 1966 - 1969 | Pontiac | Laurentian | 427/7 V8 | |
| 1966 - 1969 | Pontiac | Parisienne | 427/7 V8 | |
| 1966 - 1969 | Pontiac | Strato-Chief | 427/7 V8 | |
| 1966 - 1967 | Pontiac | Tempest | Base | 326/5.3 V8 |
| 1967 - 1976 | Pontiac | Laurentian | 400/6.6 V8 | |
| 1971 - 1976 | Pontiac | Laurentian | 455/7.5 V8 | |
| 1968 - 1974 | Pontiac | LeMans | 400/6.6 V8 | |
| 1970 - 1974 | Pontiac | LeMans | 455/7.5 V8 | |
| 1972 - 1974 | Pontiac | LeMans | 350/5.7 V8 | |
| 1956 | Pontiac | Star Chief | 316/5.2 V8 | |
| 1978 - 1980 | Pontiac | Grand Am | 301/4.9 V8 | |
| 1975 - 1977 | Pontiac | Grand LeMans | Base | 400/6.6 V8 |
| 1975 - 1976 | Pontiac | Grand LeMans | Base | 350/5.7 V8 |
| 1975 - 1976 | Pontiac | Grand LeMans | Base | 455/7.5 V8 |
| 1975 - 1977 | Pontiac | Grand LeMans | Safari | 400/6.6 V8 |
| 1977 - 1980 | Pontiac | Grand LeMans | Base | 301/4.9 V8 |
| 1977 - 1981 | Pontiac | Grand LeMans | Safari | 301/4.9 V8 |
| 1980 - 1981 | Pontiac | Grand LeMans | Base | 265/4.3 V8 |
| 1980 - 1981 | Pontiac | Grand LeMans | Safari | 265/4.3 V8 |
| 1976 | Pontiac | Grand Prix | Base | 400/6.6 V8 |
| 1976 | Pontiac | Grand Prix | Base | 350/5.7 V8 |
| 1976 | Pontiac | Grand Prix | Base | 455/7.5 V8 |
| 1976 | Pontiac | Grand Prix | SJ | 400/6.6 V8 |
| 1976 | Pontiac | Grand Prix | SJ | 455/7.5 V8 |
| 1977 - 1980 | Pontiac | Grand Prix |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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4.1 ★★★★★
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Product Reviews
★★★★★ 5
Shimmer, Shine, and All the Glitz ✨💖
Color: Diamond White
I am a girl who loves to shimmer, shine, glitz, and glow, so this Boko Highlighter Powder Spray was an absolute delight to try! It adds a gorgeous sparkling finish that really bedazzles my skin, making me feel extra glamorous whether I’m going out or just playing with my makeup.
The spray is easy to apply and gives a smooth, even shimmer without feeling gritty or heavy. I’ve been using it for daily wear, as well as for little festival vibes and fun nights out, and it really catches the light beautifully.
If you love sparkle and want to elevate your glow game, this is such a fun, high-quality product to add to your collection! 🌟💎✨
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 12, 2026
★★★★★ 4
Classic old-fashioned presentation, versatile uses
Color: Diamond White, Color: Diamond White
I loved the presentation of this glitter in an old-fashioned atomizer perfume bottle with a pink squeeze puff. Because glitter powder is not prone to evaporation, an atomizer is actually a great way to package powder.
I tried this product with the atomizer and without. Honestly, I was just looking for some sparkles on my cheekbones and a glitter streak in my hair for a New Years Party. The instructions advised that for a targeted glitter application, spray the glitter on your hand and apply it with a brush. I found that this way left too much glitter behind on my hand.
Instead, I shook some glitter onto a piece of paper and mixed some with Aquaphor for application on my face. This helped the glitter adhere to my skin and lasted for hours. I mixed some glitter into hair gel and applied it to a streak in my hair. The larger pieces of silver glitter really sparkled this way.
Overall, this packaging looks great and would be functional if you were looking for an all-over application. Otherwise, just using a simple bottle works as well.
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Reviewed in the United States on December 31, 2025
★★★★★ 5
Woah, Shimmer!
Color: Late Autumn, Color: Late Autumn
I love cute little things like this with the spray bulb. They’re fun gifts. My daughter likes to shimmer sometimes. She kind of overdid it the first time. It does t take much to get a sparkly, fine shimmer. The photos are a bit exaggerated on the product page. You don’t have to “paint” your skin with it. It’s an easy application, and when used right really provides a nice accent. It’s light and has a quality look and feel.
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Reviewed in the United States on January 10, 2026
★★★★★ 5
So pretty!
Color: Late Autumn
This shimmer is beautiful! It applies smoothly and evenly and it sparkles absolutely beautifully. You can do one spritz for a very light coverage or a few to really glow! I love the applicator - makes me feel fancy. It was a little bit sticky at first but it dries quickly and isn't sticky after that. It's a really great product to brighten up your look. Highly recommend!
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Reviewed in the United States on January 12, 2026
★★★★★ 5
This is such a fun little product.
Color: Diamond White
This is such a fun little product. The shimmer is really pretty and fine, not chunky or glittery in a bad way. It gives a nice glow without looking overdone. Super easy to apply and a little goes a long way. I’ve used it on my face and collarbones and it looks great in different lighting. For the price, I’m honestly impressed.
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Reviewed in the United States on January 9, 2026