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Description
110 GPH Mechanical Fuel Pump - 12-454-11Overview: Holley mechanical fuel pumps range from 80 GPH to 225 GPH in many various applications to meet the fuel demands of most engines. Whether you are looking for a street performance or an all out race mechanical fuel pump, Holley has the pump you need. Features: High output fuel flow Flows 110 GPH free flow Shutoff pressure pre set from 6. 5 to 8 psi Fuel pressure regulator is not required Heavy duty construction for continuous high rpm
Overview:
Holley mechanical fuel pumps range from 80 GPH to 225 GPH in many various applications to meet the fuel demands of most engines.
Whether you are looking for a street performance or an all out race mechanical fuel pump, Holley has the pump you need.
Features:
- High output fuel flow
- Flows 110 GPH free flow
- Shutoff pressure pre-set from 6.5 to 8 psi
- Fuel pressure regulator is not required
- Heavy duty construction for continuous high rpm operation
- Fuel body casting can be rotated to accommodate various plumbing situations
- Inlet & outlet tapped for 3/8"" NPT
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| 1975 - 1989 | Chevrolet | P30 | 454/7.4L V8 | |
| 1973 - 1986 | Chevrolet | C20 Suburban | 454/7.4L V8 | |
| 1973 - 1985 | Chevrolet | K20 Suburban | 454/7.4L V8 | |
| 1975 - 1986 | Chevrolet | C20 | 454/7.4L V8 | |
| 1975 - 1986 | Chevrolet | C30 | 454/7.4L V8 | |
| 1979 - 1989 | GMC | P3500 | 454/7.4L V8 | |
| 1977 - 1986 | Chevrolet | K30 | 454/7.4L V8 | |
| 1973 - 1980 | Chevrolet | C10 Suburban | 454/7.4L V8 | |
| 1979 - 1986 | GMC | C2500 | 454/7.4L V8 | |
| 1979 - 1986 | GMC | C2500 Suburban | 454/7.4L V8 | |
| 1979 - 1986 | GMC | C3500 | 454/7.4L V8 | |
| 1979 - 1986 | GMC | K3500 | 454/7.4L V8 | |
| 1963 - 1969 | Chevrolet | Biscayne | 427/7L V8 | |
| 1963 - 1969 | Chevrolet | Impala | 427/7L V8 | |
| 1963 - 1969 | Chevrolet | Bel Air | 427/7L V8 | |
| 1970 - 1976 | Chevrolet | Impala | 454/7.4L V8 | |
| 1970 - 1976 | Chevrolet | Caprice | 454/7.4L V8 | |
| 1970 - 1975 | Chevrolet | Bel Air | 454/7.4L V8 | |
| 1975 - 1980 | Chevrolet | C10 | 454/7.4L V8 | |
| 1970 - 1975 | Chevrolet | Monte Carlo | 454/7.4L V8 | |
| 1970 - 1975 | Chevrolet | El Camino | 454/7.4L V8 | |
| 1965 - 1969 | Chevrolet | Biscayne | 396/6.5L V8 | |
| 1965 - 1969 | Chevrolet | Impala | 396/6.5L V8 | |
| 1966 - 1970 | Chevrolet | Chevelle | 396/6.5L V8 | |
| 1966 - 1970 | Chevrolet | El Camino | 396/6.5L V8 | |
| 1965 - 1969 | Chevrolet | Bel Air | 396/6.5L V8 | |
| 1970 - 1974 | Chevrolet | P30 Van | 454/7.4L V8 | |
| 1976 - 1980 | Chevrolet | K10 | 454/7.4L V8 | |
| 1970 - 1974 | Chevrolet | Corvette | 454/7.4L V8 | |
| 1970 - 1974 | GMC | P35/P3500 Van | 454/7.4L V8 | |
| 1971 - 1975 | GMC | Sprint | 454/7.4L V8 | |
| 1966 - 1969 | Chevrolet | Caprice | 396/6.5L V8 | |
| 1966 - 1969 | Chevrolet | Caprice | 427/7L V8 | |
| 1966 - 1969 | Chevrolet | Corvette | 427/7L V8 | |
| 1970 - 1973 | Chevrolet | P20 Van | 454/7.4L V8 | |
| 1975 - 1978 | GMC | C25 Suburban | 454/7.4L V8 | |
| 1975 - 1978 | GMC | C35 | 454/7.4L V8 | |
| 1973 - 1976 | GMC | Jimmy | 454/7.4L V8 | |
| 1976 - 1979 | Chevrolet | P20 | 454/7.4L V8 | |
| 1970 - 1973 | Chevrolet | Chevelle | 454/7.4L V8 | |
| 1975 - 1978 | GMC | C15 | 454/7.4L V8 | |
| 1975 - 1978 | GMC | C15 Suburban | 454/7.4L V8 | |
| 1975 - 1978 | GMC | C25 | 454/7.4L V8 | |
| 1975 - 1978 | GMC | P35 | 454/7.4L V8 | |
| 1967 - 1969 | Chevrolet | Camaro | 396/6.5L V8 | |
| 1976 - 1978 | Chevrolet | K5 Blazer | 454/7.4L V8 | |
| 1970 - 1972 | Chevrolet | Townsman | 454/7.4L V8 | |
| 1970 - 1972 | Chevrolet | Biscayne | 454/7.4L V8 | |
| 1970 - 1972 | Chevrolet | Kingswood | 454/7.4L V8 | |
| 1973 - 1975 | Chevrolet | Laguna | 454/7.4L V8 | |
| 1973 - 1975 | Chevrolet | Malibu | 454/7.4L V8 | |
| 1976 - 1978 | Chevrolet | K20 | 454/7.4L V8 | |
| 1976 - 1978 | GMC | K25 | 454/7.4L V8 | |
| 1987 - 1989 | GMC | R3500 | 454/7.4L V8 | |
| 1987 - 1989 | GMC | V3500 | 454/7.4L V8 | |
| 1969 - 1970 | Chevrolet | Nova | 396/6.5L V8 | |
| 1968 - 1969 | GMC | C15/C1500 Pickup | 396/6.5L V8 | |
| 1968 - 1969 | Chevrolet | C10 Pickup | 396/6.5L V8 | |
| 1968 - 1969 | Chevrolet | C10 Suburban | 396/6.5L V8 | |
| 1968 - 1969 | Chevrolet | C20 Pickup | 396/6.5L V8 | |
| 1968 - 1969 | Chevrolet | C20 Suburban | 396/6.5L V8 | |
| 1968 - 1969 | Chevrolet | C30 Pickup | 396/6.5L V8 | |
| 1968 - 1969 | Chevrolet | K10 Suburban | 396/6.5L V8 | |
| 1968 - 1969 | Chevrolet | K20 Pickup | 396/6.5L V8 | |
| 1968 - 1969 | GMC | K15/K1500 Pickup | 396/6.5L V8 | |
| 1968 - 1969 | GMC | K25/K2500 Pickup | 396/6.5L V8 | |
| 1968 - 1969 | Chevrolet | K10 Pickup | 396/6.5L V8 | |
| 1968 - 1969 | Chevrolet | K30 Pickup | 396/6.5L V8 | |
| 1966 - 1967 | Chevrolet | Malibu | 396/6.5L V8 | |
| 1968 - 1969 | GMC | C15/C1500 Suburban | 396/6.5L V8 | |
| 1968 - 1969 | GMC | C25/C2500 Pickup | 396/6.5L V8 | |
| 1968 - 1969 | GMC | C25/C2500 Suburban | 396/6.5L V8 | |
| 1968 - 1969 | GMC | C35/C3500 Pickup | 396/6.5L V8 | |
| 1968 - 1969 | GMC | K35/K3500 Pickup | 396/6.5L V8 | |
| 1973 - 1974 | GMC | C15/C1500 Pickup | 454/7.4L V8 | |
| 1975 - 1976 | GMC | G25 | 454/7.4L V8 | |
| 1973 - 1974 | Chevrolet | C10 Pickup | 454/7.4L V8 | |
| 1973 - 1974 | Chevrolet | C20 Pickup | 454/7.4L V8 | |
| 1973 - 1974 | Chevrolet | C30 Pickup | 454/7.4L V8 | |
| 1973 - 1974 | Chevrolet | K20 Pickup | 454/7.4L V8 | |
| 1973 - 1974 | GMC | C35/C3500 Pickup | 454/7.4L V8 | |
| 1973 - 1974 | GMC | K25/K2500 Pickup | 454/7.4L V8 | |
| 1973 - 1974 | Chevrolet | K30 Pickup | 454/7.4L V8 | |
| 1975 - 1976 | Chevrolet | G30 | 454/7.4L V8 | |
| 1987 - 1988 | Chevrolet | R30 | 454/7.4L V8 | |
| 1973 - 1974 | Chevrolet | G10 Van | 454/7.4L V8 | |
| 1973 - 1974 | Chevrolet | G20 Van | 454/7.4L V8 | |
| 1973 - 1974 | Chevrolet | G30 Van | 454/7.4L V8 | |
| 1973 - 1974 | GMC | C15/C1500 Suburban | 454/7.4L V8 | |
| 1973 - 1974 | GMC | C25/C2500 Pickup | 454/7.4L V8 | |
| 1987 - 1988 | Chevrolet | V30 | 454/7.4L V8 | |
| 1979 - 1980 | GMC | C1500 | 454/7.4L V8 | |
| 1979 - 1980 | GMC | C1500 Suburban | 454/7.4L V8 | |
| 1973 - 1974 | GMC | K35/K3500 Pickup | 454/7.4L V8 | |
| 1970 - 1971 | GMC | P25/P2500 Van | 454/7.4L V8 | |
| 1976 - 1977 | GMC | K25 Suburban | 454/7.4L V8 | |
| 1968 | GMC | K15/K1500 Suburban | 396/6.5L V8 | |
| 1968 | Chevrolet | Chevy II | 396/6.5L V8 | |
| 1968 | GMC | K25/K2500 Suburban | 396/6.5L V8 | |
| 1973 | Chevrolet | P10 Van | 454/7.4L V8 | |
| 1976 | GMC | G35 | 454/7.4L V8 | |
| 1976 | GMC | K15 | 454/7.4L V8 | |
| 1980 | GMC | K1500 | 454/7.4L V8 | |
| 1973 | Chevrolet | Blazer | 454/7.4L V8 | |
| 1974 | GMC | K15/K1500 Suburban | 454/7.4L V8 | |
| 1974 | Chevrolet | K10 Pickup | 454/7.4L V8 | |
| 1976 | Chevrolet | G20 | 454/7.4L V8 | |
| 1989 | Chevrolet | R3500 | 454/7.4L V8 | |
| 1974 | GMC | C25/C2500 Suburban | 454/7.4L V8 | |
| 1989 | Chevrolet | V3500 | 454/7.4L V8 | |
| 1974 | GMC | K25/K2500 Suburban | 454/7.4L V8 | |
| 1979 | GMC | P1500 | 454/7.4L V8 |
Specs:
| Application | Chevrolet Big Block |
|---|---|
| Brand | Holley |
| Color | Silver |
| Emission Code | 5 |
| Free Flow GPH | 110 |
| Free Flow LPH | 416 |
| Fuel Type | Gasoline |
| Inlet Size | 3/8 inch NPT |
| Material | Aluminum |
| Outlet Size | 3/8 inch NPT |
| Product Type | Fuel Pump |
| Warning | California Proposition 65 |
| Warranty | Limited 90 Day |
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
4.1 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 4
An excellent strapless option
Size: XX-Large, Color: Nude
Extremely comfortable! It didn’t slip down like some do, so I don’t feel the need to tug it up. Felt like I wasn’t wearing anything at all. I also like that it comes with optional straps. Great coverage. The two things to watch for is the top seam is a little thick, so it won’t work under thin tops, and the pads will move around, but they are easy to adjust or remove. On the whole I find this a great fit and easy to wear, at an excellent price point.
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Reviewed in the United States on April 13, 2026
★★★★★ 5
Great!
Size: XX-Large, Color: Nude
REVIEW FROM A REAL PERSON WITH NO FINANCIAL INCENTIVES
This is my first time ever wearing a strapless bra and I really like this one! It's very comfy and feels like wearing any other sports bra just, well, without the straps (though they do include straps in the box that you could attach if you wanted). I'm somewhere around a 40DDD and got a 2x and it fits well, though I did wear it to work one day and by the end of the day, it did feel like it was digging/squeezing into my side a bit too much (however it had been 10hrs by then). The bra IS stretchy but if I were really any bigger, I think I'd want to go to a 3x.
Only very minor issues with it slipping, nothing even close to where I was worried anything was going to pop out or anything, even after being out in 90F heat.
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Reviewed in the United States on May 29, 2026
★★★★★ 3
Stays in place
Size: Medium, Color: White
I’d give the Letts Jolli Push-Up Strapless Bra a solid 3 stars. The fabric quality is actually really nice—it feels soft, smooth, and comfortable against the skin, which is a big plus for something strapless. It also does a great job staying in place. I didn’t have to constantly adjust or worry about it slipping down throughout the day, which is usually my biggest concern with strapless bras.
That said, the “push-up” aspect was a bit disappointing. It didn’t really provide much lift or enhancement like I expected, so if you’re looking for noticeable cleavage, this might fall short.
Overall, it’s comfortable and reliable for staying put, but it doesn’t quite deliver on the push-up promise.
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Reviewed in the United States on April 1, 2026
★★★★★ 5
It holds the girls up!
Size: Large, Color: Nude
This is absolutely the best strapless bra I have ever owned! It stays put, doesn’t ride up or ride down & I don’t have to adjust it. It fits true to size. Worth the money! It’s also not the sexiest bra, but when you just want a strapless bra that holds the girls up, I promise it will do that!
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Will be my go to strapless for sleeveless everything
Size: Medium, Color: Nude
Ok so, this did not disappoint. Supportive and has cups/padding so there's no show through. Stays in place. Sturdy will not roll on you or stretch out half way through your day/ evening. Straps are included but not necessary.
Do not try to put on right out of the shower. You also need to step into it to pull up. Do not try to pull it over your head.
Perfect for under spaghetti string tops/tube tops.
I am 135 lbs, 34DD or a 36D depends on bra. I bought a medium and it holds everything tight. I believe I could also go with a large at this weight to have a little less compression.
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Reviewed in the United States on May 17, 2026