Daisy
Last Updated: Jul 19, 2026
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| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Southwest Performance Parts | 9.72 | ✅ | ✅ | ✅ |
High-performance 12-834 Two Valve Mechanical Fuel Pump Small Block in premium chrome finish.
Compatible with Chevy GMC 262 265 267 283 302 305 307 327 350 383 400
Two-Valve Mechanical Fuel Pump - Made of heavy-duty aluminum housing material with premium chrome finish for consistent performance and reliability
Specifications - 80gph Free Flow, 6 PSI Pressure, Female Inlet and Outlet Attachments, Includes Gaskets
Measurements - 1/4inch NPT Inlet Size and 1/4inch NPT Outlet Size
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Southwest Performance Parts | 9.72 | ✅ | ✅ | ✅ |
12-835 Two-Valve Mechanical Fuel Pump 1/4-Inch Inlet Outlet NPT, Chrome
Compatible with Chevrolet Big Block V8 Gen. II (Mark IV) 6.5 L / 396 in3, 6.6 L / 402 in3, 7.0 L / 427 in3 and 7.4 L / 454 in3
Features - Two-valve mechanical fuel pumps and aluminum housing that provide consistent performance and reliability. Specifications - 80gph Free Flow, 6 PSI Pressure, Female Inlet and Outlet Attachments, and Gasket
Heavy-Duty - A lower body designed to rotate and meet fitment requirements plus, premium chrome finish on its aluminum housing
Measurements - 1/4" NPT Inlet, 1/4" NPT Outlet
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
100% FACTORY TESTED: Carter mechanical fuel pumps have undergone several factory testing and received approval for reliability and long term usage. Experience quality with a reassuring 12 month limited warranty with Carter mechanical pumps.
REDUCED CORROSION: Mechanical pump is located outside the fuel tank which provides the ultimate protection from corrosion and exposure to contaminates. Preserve your pump in the best condition while receiving reliable fuel.
SMOOTH & POWERFUL TRANSFER: Keep your vehicle running smoothly with Carter mechanical pump. With an enclosed camshaft, the pump is able to effectively carry fuel to the carburetor because every bit of fuel is suctioned and transported with ease.
SOLID STURDY BUILT: Tough in construction, Carter mechanical fuel system keeps fuel pressure at bay while effectively enclosing and guarding the fuel heat transfer.
VEHICLE FIT: Outboard Marine Corp; Volvo Marine 1977-1996
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| huaerseller | 9.60 | ✅ | ✅ | ✅ |
▶ Suitable For: Basic spare parts for automobile maintenance, the fuel pump mounting plate fit for Chevy Small Block 283 327 350 400 Engines.
▶ Suitable For: Basic spare parts for automobile maintenance, the fuel pump mounting plate fit for Chevy Small Block 283 327 350 400 Engines.
▶ Main Function: The fuel pump mounting pad with professional manufacturing, high performance, used to block off a mechanical pump when using an electric.
▶ Specification: Overall Size: Approx.100x65mm / 3.94x2.56in(L x W). Large Mounting Size: Approx.15mm / 0.59in. Small Mounting Size: Approx.10mm / 0.39in.
▶ Premium Quality: The fuel pump plate is made of high quality CNC aluminum material, high hardness, no rust, fully polished aluminum for great shine.
▶ Simple Installation: This fuel pump block off plate with gaskets for easy installation, without secondary modification, strictly in accordance with the required standards.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Southwest Speed ✅ | 9.63 | ❌ | ❌ | ❌ |
Brand New Holley 80 GPH Mechanical Fuel Pump, Fits Ford 289, 302, 351W Small Block V8, Compatible with Gasoline (Part #12-833)
Fits: Ford 289, 302, 351W Small Block V8 | Features: Street Performance | Flows 80 GPH free flow | Shutoff pressure pre-set at 7.5 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 1/4" NPT
Specs: Application: Ford 289, 302, 351W Small Block V8 | Color: Silver | Emission Code: 5 | Free Flow GPH: 80 | Free Flow LPH: 302 | Fuel Type: Gasoline | Inlet Size: 1/4" NPT | Material: Aluminum | Outlet Size: 1/4" NPT | Product Type: Fuel Pump
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.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Maxon performance parts corp | 9.67 | ✅ | ✅ | ✅ |
Made of heavy-duty aluminum housing material with premium chrome finish for consistent performance and reliability
Twice the flow of a standard pump.
150 GPH @ 6PSI.
1/4" NPT inlet and outlet.
Pump body can be indexed to multiple positions to aid in fuel line installation.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
High output free fuel flow of 110 GPH
Shut-off pressure pre-set from 6.5 to 8 PSI
Inlet and outlet tapped for 1/4 pipe thread
Rugged construction provides continuous high RPM operation
Not for use with fuel injection systems or alcohol and methanol fuels
Fit type: Vehicle Specific
Material - Aluminum
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ❌ | ❌ | ❌ |
【Fit For】- Fit for 351C 351M 400M engines. Used to block off a mechanical pump when using an electric
【CNC Aluminum】- The fuel pump block off plate is CNC Aluminum natural machined finish processing with a clear coating for reliable use
【Great Performance】- Our fuel pump block off plate features stable characteristics and have excellent performance, high reliability
【Easy to Use】- Easy and convenient for installation and disassemble, reliable and durable to use
【Better Fuel Pump Block】- Perfect fit for your car engine parts, wonderful replacement for the old or broken one
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| A-Team Performance | 2 |
| Akozon | 1 |
| Carter Fuel Systems | 1 |
| Easyberg | 1 |
| Holley | 1 |
| Keenso | 1 |
| Southwest Speed | 1 |
We've carried out a comprehensive analysis of 405 reviews on performance mechanical fuel pumps, using our selection criteria to identify the best options in the automotive replacement parts. Our findings reveal that most customers typically select performance mechanical fuel pumps priced around $84.13, with top brands including holley, edelbrock, fill-rite, aeromotive, a-team performance and easyberg and southwest speed
Our team of expert editors reviewed these high-quality items and handpicked the top 8 performance mechanical fuel pumps for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the automotive replacement parts category. These include amazon.com, fast track auto, wcaperformance ✅🏆, southwest performance parts, maxon performance parts corp and holley performance product and southwest speed ✅ .
We are dedicated to assisting our users in finding the right pumps Products based on their needs, saving them considerable time when choosing which performance mechanical fuel pumps to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.