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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Adjustable Vacuum Advance for GM Points Distributors - 31034Overview: This unit permits a seamless wide range of adjustment to both amount and rate of ignition advance. This unit helps increase horsepower and throttle response. It provides maximum spark advance while preventing detonation or "pinging". This kit includes an allen wrench for easy adjustment along with instructions. Features: Adjustable Vacuum Advance Increases Horsepower And Throttle Response Includes Allen Wrench For Adjustments Application:
Overview:
This unit permits a seamless wide range of adjustment to both amount and rate of ignition advance. This unit helps increase horsepower and throttle response. It provides maximum spark advance while preventing detonation or "pinging". This kit includes an allen wrench for easy adjustment along with instructions.
Features:
- Adjustable Vacuum Advance
- Increases Horsepower And Throttle Response
- Includes Allen Wrench For Adjustments
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| 1970 - 1971 | Buick | Skylark | 455/7.5 V8 | |
| 1970 | Pontiac | Executive | 455/7.5 V8 | |
| 1970 | Oldsmobile | F85 | 455/7.5 V8 | |
| 1971 - 1974 | Pontiac | Bonneville | 455/7.5 V8 | |
| 1971 - 1974 | Pontiac | Firebird | 455/7.5 V8 | |
| 1974 | Pontiac | Grand Am | 455/7.5 V8 | |
| 1971 - 1974 | Pontiac | Grand Safari | 455/7.5 V8 | |
| 1972 - 1974 | Pontiac | Grandville | 455/7.5 V8 | |
| 1970 - 1974 | Pontiac | LeMans | 455/7.5 V8 | |
| 1970 - 1971 | Oldsmobile | Cutlass | 455/7.5 V8 | |
| 1970 - 1973 | Chevrolet | Bel Air | 454/7.4 V8 | |
| 1973 - 1974 | Chevrolet | C20 Pickup | 454/7.4 V8 | |
| 1973 - 1974 | Chevrolet | C20 Suburban | 454/7.4 V8 | |
| 1973 - 1974 | Chevrolet | C30 Pickup | 454/7.4 V8 | |
| 1973 - 1974 | Chevrolet | K20 Pickup | 454/7.4 V8 | |
| 1973 | Chevrolet | K20 Suburban | 454/7.4 V8 | |
| 1973 - 1974 | Chevrolet | K30 Pickup | 454/7.4 V8 | |
| 1970 - 1972 | Chevrolet | Kingswood | 454/7.4 V8 | |
| 1973 | Chevrolet | Laguna | 454/7.4 V8 | |
| 1973 - 1974 | Chevrolet | Malibu | 454/7.4 V8 | |
| 1971 | Chevrolet | Monte Carlo | 454/7.4 V8 | |
| 1970 - 1974 | Chevrolet | Caprice | 454/7.4 V8 | |
| 1970 - 1973 | Chevrolet | Chevelle | 454/7.4 V8 | |
| 1971 - 1972 | Chevrolet | Biscayne | 454/7.4 V8 | |
| 1973 | Chevrolet | Blazer | 454/7.4 V8 | |
| 1973 - 1974 | Chevrolet | C10 Pickup | 454/7.4 V8 | |
| 1973 - 1974 | Chevrolet | C10 Suburban | 454/7.4 V8 | |
| 1973 - 1974 | GMC | C35/C3500 Pickup | 454/7.4 V8 | |
| 1973 | GMC | Jimmy | 454/7.4 V8 | |
| 1974 | GMC | K15/K1500 Suburban | 454/7.4 V8 | |
| 1973 - 1974 | GMC | K25/K2500 Pickup | 454/7.4 V8 | |
| 1970 - 1974 | Chevrolet | Impala | 454/7.4 V8 | |
| 1970 - 1974 | Chevrolet | El Camino | 454/7.4 V8 | |
| 1973 | Chevrolet | G10 Van | 454/7.4 V8 | |
| 1973 - 1974 | Chevrolet | G20 Van | 454/7.4 V8 | |
| 1973 - 1974 | Chevrolet | G30 Van | 454/7.4 V8 | |
| 1974 | GMC | K25/K2500 Suburban | 454/7.4 V8 | |
| 1973 - 1974 | GMC | K35/K3500 Pickup | 454/7.4 V8 | |
| 1971 - 1974 | GMC | Sprint | 454/7.4 V8 | |
| 1974 | GMC | C25/C2500 Suburban | 454/7.4 V8 | |
| 1974 | Chevrolet | K10 Pickup | 454/7.4 V8 | |
| 1970 - 1972 | Chevrolet | Townsman | 454/7.4 V8 | |
| 1973 - 1974 | GMC | C15/C1500 Pickup | 454/7.4 V8 | |
| 1973 - 1974 | GMC | C15/C1500 Suburban | 454/7.4 V8 | |
| 1973 - 1974 | GMC | C25/C2500 Pickup | 454/7.4 V8 | |
| 1968 - 1969 | Pontiac | Executive | 428/7 V8 | |
| 1967 | Pontiac | Catalina | 428/7 V8 | |
| 1963 - 1969 | Chevrolet | Bel Air | 427/7 V8 | |
| 1963 - 1969 | Chevrolet | Biscayne | 427/7 V8 | |
| 1967 - 1969 | Chevrolet | Caprice | 427/7 V8 | |
| 1963 - 1969 | Chevrolet | Impala | 427/7 V8 | |
| 1961 - 1965 | Chevrolet | Bel Air | 409/6.7 V8 | |
| 1961 - 1965 | Chevrolet | Biscayne | 409/6.7 V8 | |
| 1961 - 1965 | Chevrolet | Impala | 409/6.7 V8 | |
| 1971 - 1972 | Chevrolet | Bel Air | 402/6.6 V8 | |
| 1970 - 1972 | Chevrolet | C20 Pickup | 402/6.6 V8 | |
| 1970 - 1972 | Chevrolet | C20 Suburban | 402/6.6 V8 | |
| 1970 - 1972 | Chevrolet | C30 Pickup | 402/6.6 V8 | |
| 1970 - 1972 | Chevrolet | Camaro | 402/6.6 V8 | |
| 1970 - 1971 | Chevrolet | K30 Pickup | 402/6.6 V8 | |
| 1971 - 1972 | Chevrolet | Kingswood | 402/6.6 V8 | |
| 1971 - 1972 | Chevrolet | Caprice | 402/6.6 V8 | |
| 1970 - 1972 | Chevrolet | Chevelle | 402/6.6 V8 | |
| 1971 - 1972 | Chevrolet | Biscayne | 402/6.6 V8 | |
| 1972 | Chevrolet | Brookwood | 402/6.6 V8 | |
| 1970 - 1972 | Chevrolet | C10 Pickup | 402/6.6 V8 | |
| 1970 - 1972 | Chevrolet | C10 Suburban | 402/6.6 V8 | |
| 1970 - 1972 | GMC | C35/C3500 Pickup | 402/6.6 V8 | |
| 1970 - 1972 | GMC | K15/K1500 Suburban | 402/6.6 V8 | |
| 1970 | Chevrolet | Nova | 402/6.6 V8 | |
| 1971 - 1972 | Chevrolet | Impala | 402/6.6 V8 | |
| 1970 - 1972 | Chevrolet | El Camino | 402/6.6 V8 | |
| 1970 - 1971 | GMC | K35/K3500 Pickup | 402/6.6 V8 | |
| 1974 | GMC | Sprint | 402/6.6 V8 | |
| 1970 - 1972 | GMC | C25/C2500 Suburban | 402/6.6 V8 | |
| 1970 - 1972 | Chevrolet | K10 Suburban | 402/6.6 V8 | |
| 1972 | Chevrolet | Townsman | 402/6.6 V8 | |
| 1970 - 1972 | GMC | C15/C1500 Pickup | 402/6.6 V8 | |
| 1970 - 1972 | GMC | C15/C1500 Suburban | 402/6.6 V8 | |
| 1970 - 1972 | GMC | C25/C2500 Pickup | 402/6.6 V8 |
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
4.4 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 5
Great Brackets
Style: L Bracket w/ Lip, Size: 7.25" x 6"
Good quality, exactly what I ordered.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2026
★★★★★ 5
Beautiful shelf brackets
Style: L Bracket w/ Lip, Size: 9.25" x 6", Style: L Bracket w/ Lip, Size: 9.25" x 6"
I am extremely please with the brackets but had a hell of a time installing them. It is only me, so I had to be careful with making sure they were horizontal, etc. The little levelers are cute but definitely not a help. Use a standard size leveler. Also - I used the anchors provided for the drywall and they punched in two big holes. I ended up buying a different kind of anchor to put in the middle bracket (my first intentions were to use three brackets to make sure the shelf would hold). I was lucky that the size of the shelf I wanted coincided with the 2x4s in the walls so I was able to anchor the brackets and shelves to the 2x4s in the walls., so my shelves are very sturdy. I bought 3 sets intending to put up 4 shelves with 3 brackets but only did 2 shelves with 3 and 2 brackets, respectively. I like the look so much that I am keeping the ones that are unused and installing them in my bedroom for my books. Right now, I am extremely happy with them.
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Reviewed in the United States on June 27, 2022
★★★★★ 4
Sturdy/Heavy brackets
Style: L Bracket w/ Lip, Size: 9.25" x 6"
We wanted to replace our awful white wire shelving in our pantry and purchased these brackets. Had the wood shelves cut to fit so very easy to install the shelving on top. The lip at the end of the bracket holds the shelf so the brackets do not need to be attached to the shelf. The brackets are very sturdy, heavy metal so they definitely hold the wood shelves and pantry items. Only complaint -the screws that are included. Some of the screws stripped or broke while trying to attach the brackets to the wall studs. They do include an extra screw in each box I guess for this purpose but we still had to purchase additional screws to replace the broken ones. Very frustrating but the finished result looks great and the brackets were an easy fix to replace the old shelving.
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Reviewed in the United States on June 7, 2023
★★★★★ 5
Sent more screws when needed!
Style: L Bracket w/ Lip, Size: 9.25" x 6", Style: L Bracket w/ Lip, Size: 9.25" x 6"
Screw heads frequently stripped, and on 3 the head sheared clear off. All this despite drilling pilot holes and lubricating screws.
The seller was wonderful though and sent extra screws at no extra cost. Looks great and holds well now that complete!
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Reviewed in the United States on November 12, 2025
★★★★★ 5
Great product!
Style: L Bracket w/ Lip, Size: 7.25" x 6", Style: L Bracket w/ Lip, Size: 7.25" x 6"
These brackets worked great! They are strong and hold the 32 jars of peaches easily.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 8, 2025