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Description
Pacemaker | Competition Headers | Holden HK-HT-HG Small Block Chev V8 283-400 | PH5305 L/RPacemaker 4 into 1 Competition Headers Holden HK HT HG Small Block Chev V8 PH5305 L R Maximize the performance of your Small Block Chevrolet powered classic Holden with these Pacemaker Competition Headers. Specifically engineered for the HK, HT, and HG series, these 4 into 1 tuned headers are designed to provide superior exhaust flow for engines ranging from 283 to 400 cubic inches. Whether you are running a street machine or a track oriented build,
Pacemaker 4-into-1 Competition Headers - Holden HK-HT-HG Small Block Chev V8 - PH5305 L/R
Maximize the performance of your Small Block Chevrolet-powered classic Holden with these Pacemaker Competition Headers. Specifically engineered for the HK, HT, and HG series, these 4-into-1 tuned headers are designed to provide superior exhaust flow for engines ranging from 283 to 400 cubic inches. Whether you are running a street machine or a track-oriented build, these headers deliver the high-flow efficiency your V8 demands.
Features:
This product offers the following high-performance features:
- Tuned 4-into-1 Design: Precision-engineered primary lengths ensure optimal exhaust scavenging and maximum power output.
- Slant Plug Compatibility: Designed to clear slant plug cylinder heads, providing flexibility for various performance head setups.
- High-Flow 3" Outlet: Large 76mm outlet minimizes backpressure, allowing your SBC motor to breathe freely.
- Automatic Transmission Fitment: Compatible with Powerglide and Turbo 400 automatic transmissions (see important notes regarding T400).
Product Specifications for PH 5305
| Feature | Value | Feature | Value |
|---|---|---|---|
| Part # | PH 5305 | Gasket | DSF 9 |
| P/Steering | No | Primary Pipe | 1¾" (44mm) |
| Air Con | N/A | Secondary Pipe | - |
| Oxy Sen | N/A | Outlet | 3" (76mm) |
| E.G.R | N/A | Y Branch | N/A |
| Fitting Time | 3 Hrs | Design | 4 into 1 (Tuned) |
Important Notes:
- Will fit slant plug heads and Powerglide automatic transmissions.
- Will fit Turbo 400 automatic only if the vehicle floor has been modified/cut for correct fitment.
- Requires original engine mounting spacers or PACEMAKER spacers (Part # PEMP 307). Spacers must be fitted to the correct side (RH is 1/4” higher than LH).
- Fits LH hydraulic clutch conversions only.
- Will not fit: Column automatic models or vehicles equipped with Power Steering.
Important Information
- The image shown may not reflect the actual product
- Shipping times may vary depending on destination and stock availability
Vehicle Applications:
Vehicle Applications for PH5305 L/R
| Make | Model | From | To | Body | Series | Engine | Variant | Drivetrain |
|---|---|---|---|---|---|---|---|---|
| HOLDEN | ||||||||
| Holden | Kingswood / Monaro / Belmont | 1968 | 1971 | Sedan / Coupe / Ute / Wagon | HK, HT, HG | Small Block Chev V8 (283-400) | Manual & Floor Auto | RWD |
Warranty Information
| Product | Warranty Period |
|---|---|
| Pacemaker Headers | Two (2) years. |
| Pacemaker King Brown 4x4 Exhaust systems | Five (5) years. |
| Pacemaker Sports exhaust systems | Five (5) years. |
| Fabrication products and accessories | One (1) year. |
Payment & Security:
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.7 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 5
Comfortable and Attractive Bedding Set That Offers Great Value
Color: Pink, Size: Queen
This queen bedding set is a nice combination of comfort and style. The pink color looks beautiful, and the textured comforter gives the bed a cozy, modern appearance. The sheets feel soft and comfortable, while the comforter is lightweight yet provides enough warmth for a restful night’s sleep. I appreciate that the set includes everything needed for a complete bedding setup, making it a convenient option. It’s also easy to care for and holds its appearance well after washing. While it may not have the feel of a premium luxury set, for the price it’s not bad at all and offers solid value. Overall, it’s a great choice for anyone looking for an affordable and attractive bedding set.
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Reviewed in the United States on June 2, 2026
★★★★★ 5
Lightweight, very smooth and comfortable comforter sheet set an a very attractive price
Color: Ivory, Size: Queen, Color: Ivory, Size: Queen
Such a well priced, attractive bed in a bag (comforter and sheet set) with the most lightweight comforter I have ever come across that is not a down comforter. This one is filled with 100% polyester with a 100% microfiber exterior. The sheets are called microfiber, which I am sometimes not a fan of as sometimes they feel too stretchy and hot. However, these feel good, and almost more like a smooth percale. It’s nice to the touch. Color is attractive in a clean ivory color. Going back to the comforter, I love the lightness of natural down, but somehow I have developed a sensitivity to the feathers which make me sneeze. This one can easily be thrown into the washer and dryer and feels equivalently light as my down comforters. It weighs in at slightly over a pound (though I could only carry it onto the scale) and I absolutely love the lightness of it. I did wash it in the washer and dried it in a dryer on normal heat. Came out with no wrinkles and very fluffy. Five stars!
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Reviewed in the United States on May 30, 2026
★★★★★ 4
Nice Comforter, Thin Sheets
Color: Blue, Size: Queen, Color: Blue, Size: Queen
I bought this comforter set for my guest bedroom, and the price was great. It’s really pretty and fits the bed perfectly. It includes a comforter, a sheet set with pillowcases, and two pillow shams. It arrived vacuum-sealed, when I opened it, I was impressed by how soft it felt—just right for a comforter. It seems like it will be warm yet cooling at the same time, and I love its thickness. The only downside was the sheet set. While the comforter is fluffy and cozy, the sheets felt cheap—very thin—and I prefer them thicker. They’re labeled 100% polyester but are just too thin for my taste. If you’re not picky about sheets, this set would be perfect. They are soft, just not thick enough. Overall, I really like the comforter, but I’ll use my own sheets because of the thinness of the included ones. I would have given it five, but the sheets bring it down to four.
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Reviewed in the United States on June 6, 2026
★★★★★ 5
Beautiful Sage Green Set That is Super Soft and Cozy!
Color: Sage Green, Size: Queen
I am absolutely in love with this sage green bedding set. The queen comforter has a gorgeous pre washed crinkled texture that gives the whole bedroom a really cozy, aesthetic look without needing to be ironed. It is incredibly fluffy and has just the right amount of weight to it, making it perfect to use all year round. The brushed sheets that come with the bed in a bag are surprisingly soft against the skin, and everything fit my queen mattress perfectly right out of the box.
The color is a beautiful, calming sage green that matches my room decor perfectly. I have already washed the sheets and comforter once, and they held up great in the machine without losing their softness or shrinking.
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Reviewed in the United States on June 4, 2026
★★★★★ 4
Soft All-in-One Queen Bedding Set With Lightweight Comforter
Color: Beige, Size: Queen
This 7-piece queen bedding set is a solid all-in-one option for anyone looking to refresh a bedroom with a clean, aesthetic look without spending much. The comforter has a lightweight feel with a soft crinkled texture that gives it a relaxed, lived-in appearance while still looking modern and put together on the bed.
The included sheets and pillowcases are soft and smooth against the skin, with enough comfort for year-round use. The comforter itself is light but still provides enough warmth for most seasons, making it practical for both warmer and cooler months.
Fit is generally accurate for standard queen mattresses, and the set comes complete with everything needed, which makes setup simple and convenient. The overall look is cohesive, with a soft beige tone that blends easily into most room styles.
While it is not a luxury heavyweight bedding set, it offers good comfort, style, and value for the price, making it a strong choice for guest rooms, first apartments, or an easy bedroom upgrade.
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Reviewed in the United States on June 5, 2026
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