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#91067470
Powermaster 9507 Flathead Ford V8 Gear Reduction Starter
- Features a 4.4:1 gear reduction ratio
- Will bolt to original mounting points
- Has cranking power for up to 18:1 compression
$283.99
/each
In Stock
$361.25
Save $77.26
Quantity
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Product Summary
Manual Transmission Type, Mini Starter Size, Natural
- Features a 4.4:1 gear reduction ratio
- Will bolt to original mounting points
- Has cranking power for up to 18:1 compression
- Can be mounted upside down for header clearance
- Its small, compact size provides additional clearance
Key Specs
| MFG. Part # | 9507 |
| Starter Size | Mini |
| Flywheel/Flexplate Tooth Count | 166-tooth |
| Mount Type | Bolt-On |
| Finish | Natural |
Need To Know
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Return PolicyPowermaster 9507 Details
Powermaster 9507 Details
Powermaster XS Torque gear reduction starters are built using all new components and cranks out 200 ft./lbs. of torque. It bolts up like an original starter, but its gear-reduction design gives it more power to crank over high-compression engines. Fits USA-made 1932-1953 flathead Ford V8 engines using manual transmissions & steel flywheels.
- Small, compact size provides additional clearance
- Bolts to original mounting points
- Can be mounted upside down for header clearance
- 4.4:1 gear reduction ratio
- Cranking power for up to 18:1 compression
- Works with our steel, manual-shift flywheels
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Item Details
12 volt
Charts
Specs
Guides & Documents
Warranty Information
Do not send the unit back to Speedway Motors unless you have called Powermaster and talked to their Tech Department while the unit was still on the vehicle so they could help you troubleshoot the problem.
Do not send the unit back to Speedway Motors unless you have called Powermaster and talked to their Tech Department while the unit was still on the vehicle so they could help you troubleshoot the problem.Powermaster 9507 Specifications
Powermaster 9507 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 9507 |
| Brand | Powermaster |
| Starter Size | Mini |
| Flywheel/Flexplate Tooth Count | 166-tooth |
| Mount Type | Bolt-On |
| Finish | Natural |
| GENERAL | |
| Transmission Type | Manual |
| Starter Output (kW/hp) | 1.4 kW / 1.8 hp |
| Starter Output (ft. lbs.) | 200 ft.-lbs. torque |
| Material Type | Billet Aluminum |
| Color | Natural |
| Clockable | No |
| Gear Rotation | Standard |
| Gear Ratio | 4.40:1 |
| Compression Ratio | 18.0:1 |
| Starter Style | Ford 2-bolt |
| Weight | 8.5 lbs. |
| Depth | 1.56" |
| Centerline of Holes | 3.5" |
| Hole Diameter | 0.38" |
| Sold in Quantity | Each |
| Notes | Made in the USA |
| GTIN Code | 692209003700 |
Ratings & Reviews
5
14 Reviews
Customers appreciate the product's power, quiet operation, and fast-start feature, observing that it is significantly lighter and quieter compared to the models it replaces. The product is recommended for use in Ford vehicles, specifically vintage models, due to its period correctness, quality, and performance. Consumers affirm they would repurchase the product, citing its effectiveness and usability, notably in old vehicles converted to 12 volts. Additionally, the motor's speed in turning over and ease of installation are also praised, further enhancing its appeal to customers.
Ratings & Reviews
5
14 Reviews
Customers appreciate the product's power, quiet operation, and fast-start feature, observing that it is significantly lighter and quieter compared to the models it replaces. The product is recommended for use in Ford vehicles, specifically vintage models, due to its period correctness, quality, and performance. Consumers affirm they would repurchase the product, citing its effectiveness and usability, notably in old vehicles converted to 12 volts. Additionally, the motor's speed in turning over and ease of installation are also praised, further enhancing its appeal to customers.
5
14 reviews
5
14
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Filter by Ratings
I would by this again
5.0
25 days ago
Ricky
Panama City fl
Verified
Worked great changed my 53 ford over to 12 volt system really nice looking product
Would Recommend
Works great! Powerful!
5.0
6 months ago
Big T
Illinois
Verified
Went on a flathead engine. Fit great and good power.
Would Recommend
Yes.
5.0
8 months ago
Ki
Deming,nm
Verified
Perfect.
Would Recommend
Upgraded starter motor for Ford Flathead.
5.0
9 months ago
Bubba
North Texas
Verified
This starter is great for a Ford Flatmotor. 12 volts and it spins the motor over like a spinning top.
Would Recommend
Works as expected
5.0
11 months ago
Neuf
Illinois
Verified
Easy installation works well, should be much more reliable than the original
Would Recommend
Perfect fit
5.0
a year ago
Ford31
Chicago
Verified
Fit perfectly on my '39 V8. Lots of torque. Looks sharp.
Would Recommend
Yes
5.0
3 years ago
Gorilla
Mcallen Tx
Verified
I'm going to use it in a Ford roadster 28'
Would Recommend
I would buy again
5.0
4 years ago
Tony
Kentucky
Verified
Powerful and quiet
yep
5.0
5 years ago
johan
Amsterdam
Verified
Nice starter
Would Not Recommend
I would buy this product again
5.0
8 years ago
Eli
Albuquerque, NM
Verified
Works mighty fine and starts fast
Would Recommend
Showing 10 of 14 reviews
Questions & Answers
8 Questions • 9 Answers
Questions & Answers
8 Questions • 9 Answers
Hi My engine has a flywheel with 144 teeth will this starter work ok. Does the gear stay in mesh all the time. Cheers.
by Rick
• 9 years ago
2 answers
View Answers
It has been clearly stated that this unit will not fit the french flathead, but most french flatheads need the oil pan from a 59a. The powermaster 9508 starter, is that just for french flatheads that have their stock flywheel and stock alum. pan?
by big deuce
• 11 years ago
1 answer
View Answer
I bought your 49-53 steel flywheel and stainless steel center dump headers. Will this starter work with these?
by Don
• 11 years ago
1 answer
View Answer
I bought your 49-53 steel flywheel and stainless steel center dump headers. Will this starter work with these?
by Don
• 11 years ago
1 answer
View Answer
Will this starter work on 6 volt battery ?
by Sully
• 11 years ago
1 answer
View Answer
will this starter fit ok on a 1951 flathead with Fenton headers.
by Rob
• 15 years ago
1 answer
View Answer
what do you have for use with c4 adapted tooriginel bell housing
by
• 15 years ago
1 answer
View Answer
will this starter fit chevrolet automatic transmission?
by mike e.
• 15 years ago
1 answer
View Answer
8 of 8 questions shown
Fitment
Fitment
1932 Ford 1 Ton Pickup
Ford Flathead V8 17 Stud 221 18
1933-1934 Ford 1 Ton Pickup
Ford Flathead V8 17 Stud 221 18
Ford Flathead V8 21 Stud 221 40
1935 Ford 1 Ton Pickup
Ford Flathead V8 17 Stud 221 18
Ford Flathead V8 21 Stud 221 48
1936 Ford 1 Ton Pickup
Ford Flathead V8 17 Stud 221 18
Ford Flathead V8 21 Stud 221 68
1937-1938 Ford 1 Ton Pickup
Ford Flathead V8 21 Stud 221 78
1939 Ford 1 Ton Pickup
Ford Flathead V8 24 Stud 239 99A
1940 Ford 1 Ton Pickup
Ford Flathead V8 24 Stud 239 09A
1941 Ford 1 Ton Pickup
Ford Flathead V8 24 Stud 221 11A
Ford Flathead V8 24 Stud 239 19A
1942 Ford 1 Ton Pickup
Ford Flathead V8 24 Stud 221 21A
Ford Flathead V8 24 Stud 239 29A
1943-1946 Ford 1 Ton Pickup
Ford Flathead V8 24 Stud 221 21A
Ford Flathead V8 24 Stud 239 69A
1947 Ford 1 Ton Pickup
Ford Flathead V8 24 Stud 221 21A
Ford Flathead V8 24 Stud 239 79
1932 Ford 1/2 Ton Pickup
Ford Flathead V8 17 Stud 221 18
1933-1934 Ford 1/2 Ton Pickup
Ford Flathead V8 21 Stud 221 40
1935 Ford 1/2 Ton Pickup
Ford Flathead V8 21 Stud 221 48
1936 Ford 1/2 Ton Pickup
Ford Flathead V8 21 Stud 221 68
1937 Ford 1/2 Ton Pickup
Ford Flathead V8 21 Stud 221 78
1938 Ford 1/2 Ton Pickup
Ford Flathead V8 24 Stud 221 81A
1939 Ford 1/2 Ton Pickup
Ford Flathead V8 24 Stud 221 91A
Ford Flathead V8 24 Stud 239 99A
1940 Ford 1/2 Ton Pickup
Ford Flathead V8 24 Stud 221 01A
Ford Flathead V8 24 Stud 239 09A
1941 Ford 1/2 Ton Pickup
Ford Flathead V8 24 Stud 221 11A
Ford Flathead V8 24 Stud 239 19A
1942 Ford 1/2 Ton Pickup
Ford Flathead V8 24 Stud 221 21A
Ford Flathead V8 24 Stud 239 29A
1943-1946 Ford 1/2 Ton Pickup
Ford Flathead V8 24 Stud 221 21A
Ford Flathead V8 24 Stud 239 69A
1947 Ford 1/2 Ton Pickup
Ford Flathead V8 24 Stud 221 21A
Ford Flathead V8 24 Stud 239 79
1932 Ford 3/4 Ton Pickup
Ford Flathead V8 17 Stud 221 18
1933-1934 Ford 3/4 Ton Pickup
Ford Flathead V8 21 Stud 221 40
1935 Ford 3/4 Ton Pickup
Ford Flathead V8 21 Stud 221 48
1936 Ford 3/4 Ton Pickup
Ford Flathead V8 21 Stud 221 68
1937 Ford 3/4 Ton Pickup
Ford Flathead V8 21 Stud 221 78
1938 Ford 3/4 Ton Pickup
Ford Flathead V8 24 Stud 221 81A
1939 Ford 3/4 Ton Pickup
Ford Flathead V8 24 Stud 221 91A
Ford Flathead V8 24 Stud 239 99A
1940 Ford 3/4 Ton Pickup
Ford Flathead V8 24 Stud 221 01A
Ford Flathead V8 24 Stud 239 09A
1941 Ford 3/4 Ton Pickup
Ford Flathead V8 24 Stud 221 11A
Ford Flathead V8 24 Stud 239 19A
1942 Ford 3/4 Ton Pickup
Ford Flathead V8 24 Stud 221 21A
Ford Flathead V8 24 Stud 239 29A
1943-1946 Ford 3/4 Ton Pickup
Ford Flathead V8 24 Stud 221 21A
Ford Flathead V8 24 Stud 239 69A
1947 Ford 3/4 Ton Pickup
Ford Flathead V8 24 Stud 221 21A
Ford Flathead V8 24 Stud 239 79
1953 Ford Club
Ford Flathead V8 24 Stud 255 V8
Ford Flathead V8 24 Stud 337
1952 Ford Country Sedan
Ford Flathead V8 24 Stud 239 8RT
1953 Ford Country Sedan
Ford Flathead V8 24 Stud 255 V8
Ford Flathead V8 24 Stud 337
1952 Ford Country Squire
Ford Flathead V8 24 Stud 239 8RT
1953 Ford Country Squire
Ford Flathead V8 24 Stud 255 V8
Ford Flathead V8 24 Stud 337
1953 Ford Crestline
Ford Flathead V8 24 Stud 255 V8
Ford Flathead V8 24 Stud 337
1949 Ford Custom
Ford Flathead V8 24 Stud 255 9CM
Ford Flathead V8 24 Stud 337
1953 Ford Customline
Ford Flathead V8 24 Stud 255 V8
Ford Flathead V8 24 Stud 337
1939 Ford Deluxe
Ford Flathead V8 24 Stud 221 91A
Ford Flathead V8 24 Stud 239 99A
1940 Ford Deluxe
Ford Flathead V8 24 Stud 221 01A
Ford Flathead V8 24 Stud 239 09A
1946 Ford Deluxe
Ford Flathead V8 24 Stud 221 21A
Ford Flathead V8 24 Stud 239 69A
1947 Ford Deluxe
Ford Flathead V8 24 Stud 221 21A
Ford Flathead V8 24 Stud 239 79
1948 Ford Deluxe
Ford Flathead V8 24 Stud 221 21A
Ford Flathead V8 24 Stud 239 89
1953 Ford F-100
Ford Flathead V8 24 Stud 255 V8
Ford Flathead V8 24 Stud 337
1953 Ford F-250
Ford Flathead V8 24 Stud 255 V8
Ford Flathead V8 24 Stud 337
1953 Ford F-350
Ford Flathead V8 24 Stud 255 V8
Ford Flathead V8 24 Stud 337
1948 Ford F1
Ford Flathead V8 24 Stud 221 21A
Ford Flathead V8 24 Stud 239 89
1949 Ford F1
Ford Flathead V8 24 Stud 255 9CM
Ford Flathead V8 24 Stud 337
1950 Ford F1
Ford Flathead V8 24 Stud 255 0CM
Ford Flathead V8 24 Stud 337
1951 Ford F1
Ford Flathead V8 24 Stud 255 1CM
Ford Flathead V8 24 Stud 337
1952 Ford F1
Ford Flathead V8 24 Stud 255 MA
Ford Flathead V8 24 Stud 337
1948 Ford F2
Ford Flathead V8 24 Stud 221 21A
Ford Flathead V8 24 Stud 239 89
1949 Ford F2
Ford Flathead V8 24 Stud 255 9CM
Ford Flathead V8 24 Stud 337
1950 Ford F2
Ford Flathead V8 24 Stud 255 0CM
Ford Flathead V8 24 Stud 337
1951 Ford F2
Ford Flathead V8 24 Stud 255 1CM
Ford Flathead V8 24 Stud 337
1952 Ford F2
Ford Flathead V8 24 Stud 255 MA
Ford Flathead V8 24 Stud 337
1948 Ford F3
Ford Flathead V8 24 Stud 221 21A
Ford Flathead V8 24 Stud 239 89
1949 Ford F3
Ford Flathead V8 24 Stud 255 9CM
Ford Flathead V8 24 Stud 337
1950 Ford F3
Ford Flathead V8 24 Stud 255 0CM
Ford Flathead V8 24 Stud 337
1951 Ford F3
Ford Flathead V8 24 Stud 255 1CM
Ford Flathead V8 24 Stud 337
1952 Ford F3
Ford Flathead V8 24 Stud 255 MA
Ford Flathead V8 24 Stud 337
1953 Ford Mainline
Ford Flathead V8 24 Stud 255 V8
Ford Flathead V8 24 Stud 337
1932 Ford Model 18
Ford Flathead V8 17 Stud 221 18
1942 Ford Model 21 A Deluxe
Ford Flathead V8 24 Stud 221 21A
Ford Flathead V8 24 Stud 239 29A
1933-1934 Ford Model 40
Ford Flathead V8 21 Stud 221 40
1934 Ford Model 40 A
Ford Flathead V8 21 Stud 221 40
1933 Ford Model 46
Ford Flathead V8 21 Stud 221 40
1935 Ford Model 48
Ford Flathead V8 21 Stud 221 48
1935 Ford Model 50
Ford Flathead V8 21 Stud 221 48
1936 Ford Model 67
Ford Flathead V8 21 Stud 221 68
1936 Ford Model 68
Ford Flathead V8 21 Stud 221 68
1937 Ford Model 74
Ford Flathead V8 21 Stud 221 78
1937 Ford Model 78
Ford Flathead V8 21 Stud 221 78
1938 Ford Model 81 A
Ford Flathead V8 24 Stud 221 81A
1938 Ford Model 82 A
Ford Flathead V8 24 Stud 221 81A
1938 Ford Model 85
Ford Flathead V8 24 Stud 221 81A
1932 Ford Model BB
Ford Flathead V8 17 Stud 221 18
1933-1934 Ford Model BB
Ford Flathead V8 21 Stud 221 40
1940 Ford Pickup
Ford Flathead V8 17 Stud 221 18
1953 Ford Ranch Wagon
Ford Flathead V8 24 Stud 255 V8
Ford Flathead V8 24 Stud 337
1932 Ford Sedan Delivery
Ford Flathead V8 17 Stud 221 18
1933-1934 Ford Sedan Delivery
Ford Flathead V8 21 Stud 221 40
1935 Ford Sedan Delivery
Ford Flathead V8 21 Stud 221 48
1936 Ford Sedan Delivery
Ford Flathead V8 21 Stud 221 68
1937 Ford Sedan Delivery
Ford Flathead V8 21 Stud 221 78
1938 Ford Sedan Delivery
Ford Flathead V8 24 Stud 221 81A
1939 Ford Sedan Delivery
Ford Flathead V8 24 Stud 221 91A
Ford Flathead V8 24 Stud 239 99A
1940 Ford Sedan Delivery
Ford Flathead V8 24 Stud 221 01A
Ford Flathead V8 24 Stud 239 09A
1941 Ford Sedan Delivery
Ford Flathead V8 17 Stud 221 18
Ford Flathead V8 24 Stud 239 79
1942 Ford Sedan Delivery
Ford Flathead V8 24 Stud 221 21A
Ford Flathead V8 24 Stud 239 29A
1946 Ford Sedan Delivery
Ford Flathead V8 24 Stud 221 21A
Ford Flathead V8 24 Stud 239 69A
1947 Ford Sedan Delivery
Ford Flathead V8 24 Stud 221 21A
Ford Flathead V8 24 Stud 239 79
1953 Ford Sunliner
Ford Flathead V8 24 Stud 255 V8
Ford Flathead V8 24 Stud 337
1942 Ford Super Deluxe
Ford Flathead V8 24 Stud 221 21A
Ford Flathead V8 24 Stud 239 29A
1946 Ford Super Deluxe
Ford Flathead V8 24 Stud 221 21A
Ford Flathead V8 24 Stud 239 69A
1947 Ford Super Deluxe
Ford Flathead V8 24 Stud 221 21A
Ford Flathead V8 24 Stud 239 79
1948 Ford Super Deluxe
Ford Flathead V8 24 Stud 221 21A
Ford Flathead V8 24 Stud 239 89
1953 Ford Victoria
Ford Flathead V8 24 Stud 255 V8
Ford Flathead V8 24 Stud 337
1952 Mercury Custom
Ford Flathead V8 24 Stud 255 MA
Ford Flathead V8 24 Stud 337
1953 Mercury Custom
Ford Flathead V8 24 Stud 255 V8
Ford Flathead V8 24 Stud 337
1946 Mercury Mercury
Ford Flathead V8 24 Stud 221 21A
Ford Flathead V8 24 Stud 239 69M
1947 Mercury Mercury
Ford Flathead V8 24 Stud 221 21A
Ford Flathead V8 24 Stud 239 79
1948 Mercury Mercury
Ford Flathead V8 24 Stud 221 21A
Ford Flathead V8 24 Stud 239 89
1949 Mercury Mercury
Ford Flathead V8 24 Stud 255 9CM
Ford Flathead V8 24 Stud 337
1950 Mercury Mercury
Ford Flathead V8 24 Stud 255 0CM
Ford Flathead V8 24 Stud 337
1951 Mercury Mercury
Ford Flathead V8 24 Stud 255 1CM
Ford Flathead V8 24 Stud 337
1952 Mercury Mercury
Ford Flathead V8 24 Stud 255 MA
Ford Flathead V8 24 Stud 337
1950 Mercury Monterey
Ford Flathead V8 24 Stud 255 0CM
Ford Flathead V8 24 Stud 337
1951 Mercury Monterey
Ford Flathead V8 24 Stud 255 1CM
Ford Flathead V8 24 Stud 337
1952 Mercury Monterey
Ford Flathead V8 24 Stud 255 MA
Ford Flathead V8 24 Stud 337
1953 Mercury Monterey
Ford Flathead V8 24 Stud 255 V8
Ford Flathead V8 24 Stud 337
1941 Mercury Series 19A
Ford Flathead V8 24 Stud 239 0BA
1942 Mercury Series 29A
Ford Flathead V8 24 Stud 221 21A
Ford Flathead V8 24 Stud 239 29A
1939 Mercury Series 99A
Ford Flathead V8 24 Stud 239 0BA
1940 Mercury Series O9A
Ford Flathead V8 24 Stud 239 0BA