SKU: 51717520741

Hays Steel SFI Certified Flexplate - Big Block and FE Ford - 12-050

Sale price$105.27 Regular price$116.97
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Description

Hays Steel SFI Certified Flexplate - Big Block and FE Ford - 12-050Overview: Hays heavy duty flexplates for high performance and competition engines are constructed of a thicker than stock steel plate, enabling them to withstand the stress of high stall torque converters and today's high RPM engines. While factory stock plates tend to crack around the crankshaft hub when punished under high torque and RPM conditions, the thicker Hays Flexplate handles the force. These H. D. flexplates are supplied with a ring gear

Overview:

Hays heavy-duty flexplates for high performance and competition engines are constructed of a thicker than stock steel plate, enabling them to withstand the stress of high-stall torque converters and today's high-RPM engines. While factory stock plates tend to crack around the crankshaft hub when punished under high torque and RPM conditions, the thicker Hays Flexplate handles the force. These H.D. flexplates are supplied with a ring gear that is securely welded in place and feature dual bolt patterns for flexibility in adapting to multiple transmission style torque converters. All Hays heavy-duty flexplates are zinc-dichromate plated to resist corrosion and are SFI certified under specification 29.1.

Features:

  • All applications for flexplates are SFI 29.1 Certified
  • Available in Externally and Internally Balanced options
  • Most flexplates feature Zinc Dichromate Plated finish for superior corrosion resistance and good looks
  • Heavy- Duty design utilized thicker than stock steel plate enabling to withstand the stress of high-stall converters and high-RPM engines
  • More applications now available for Buick, Cadillac, Chevy, Ford, Mopar, Oldsmobile and Pontiac Engine applications
  • Gas and Diesel Truck applications coming soon!

Application:

Year Make Model Submodel Engine Size
1966 - 1969 Ford Thunderbird Base 428/7.0L V8
1969 - 1970 Ford LTD Base 429/7.0L V8
1966 - 1970 Ford LTD Base 428/7.0L V8
1968 Ford Mustang Base 427/7.0L V8
1968 - 1970 Ford Mustang Base 428/7.0L V8
1970 Ford Mustang Base 429/7.0L V8
1970 Ford Mustang Grande 429/7.0L V8
1966 - 1970 Ford Custom Base 428/7.0L V8
1970 Ford Mustang Mach 1 429/7.0L V8
1966 - 1970 Ford Country Squire Base 428/7.0L V8
1969 - 1970 Ford Custom Base 429/7.0L V8
1966 - 1970 Ford Custom 500 Base 428/7.0L V8
1966 - 1969 Ford Fairlane Base 427/7.0L V8
1966 - 1968 Ford Custom 500 Base 427/7.0L V8
1966 - 1967 Ford Galaxie Base 427/7.0L V8
1966 - 1967 Ford Thunderbird Base 427/7.0L V8
1970 Ford Mustang Mach 1 428/7.0L V8
1969 - 1970 Ford Country Sedan Base 429/7.0L V8
1969 - 1970 Mercury Marquis Base 429/7.0L V8
1968 - 1970 Ford Thunderbird Base 429/7.0L V8
1970 Ford Torino Cobra 429/7.0L V8
1968 - 1970 Ford Torino Base 428/7.0L V8
1968 Ford Torino Base 427/7.0L V8
1968 - 1969 Ford Ranchero Base 428/7.0L V8
1966 - 1969 Ford GT40 MK III 427/7.0L V8
1966 - 1968 Ford Custom Base 427/7.0L V8
1970 Mercury Montego MX Brougham 429/7.0L V8
1969 - 1970 Mercury Cyclone Spoiler 429/7.0L V8
1970 Ford Torino Super Cobra Jet 428/7.0L V8
1968 Ford Mustang Shelby GT-500KR 428/7.0L V8
1966 - 1970 Ford Country Sedan Base 428/7.0L V8
1966 - 1968 Ford Country Squire Base 427/7.0L V8
1967 - 1970 Ford Mustang Shelby GT-500 428/7.0L V8
1969 - 1970 Ford Galaxie 500 Base 429/7.0L V8
1966 - 1969 Ford Fairlane 500 427/7.0L V8
1968 - 1969 Ford Fairlane Base 428/7.0L V8
1970 Mercury Montego Base 429/7.0L V8
1966 - 1968 Ford LTD Base 427/7.0L V8
1968 - 1970 Ford Torino GT 428/7.0L V8
1970 Mercury Cougar Base 429/7.0L V8
1970 Mercury Cyclone GT 429/7.0L V8
1969 - 1970 Mercury Cyclone Base 429/7.0L V8
1966 - 1970 Ford Ranch Wagon Base 428/7.0L V8
1969 - 1970 Ford Ranch Wagon Base 429/7.0L V8
1966 - 1968 Ford Galaxie 500 XL 427/7.0L V8
1970 Ford Ranch Wagon Police Cruiser 429/7.0L V8
1969 - 1970 Mercury Marauder Base 429/7.0L V8
1968 - 1970 Ford Galaxie 500 XL 428/7.0L V8
1970 Ford Ranch Wagon Police Cruiser 428/7.0L V8
1970 Ford Ranchero Squire 429/7.0L V8
1970 Ford Torino Brougham 428/7.0L V8
1968 - 1970 Ford Galaxie 500 Base 428/7.0L V8
1969 - 1970 Ford Custom 500 Base 429/7.0L V8
1970 Ford Falcon Futura 429/7.0L V8
1966 - 1967 Ford Galaxie Base 428/7.0L V8
1970 Ford Ranchero 500 429/7.0L V8
1969 - 1970 Ford Torino Squire 428/7.0L V8
1969 Ford Torino Cobra 428/7.0L V8
1968 Ford Torino GT 427/7.0L V8
1970 Mercury Cougar Cobra Jet 429/7.0L V8
1970 Ford Torino Super Cobra Jet 429/7.0L V8
1970 Ford Torino GT 429/7.0L V8
1970 Ford Torino Brougham 429/7.0L V8
1968 - 1969 Ford Ranchero GT 428/7.0L V8
1970 Mercury Cougar XR-7 429/7.0L V8
1970 Ford Torino Base 429/7.0L V8
1966 - 1968 Ford Ranch Wagon Base 427/7.0L V8
1969 - 1970 Ford Country Squire Base 429/7.0L V8
1966 - 1968 Ford Country Sedan Base 427/7.0L V8
1969 - 1970 Mercury Marquis Brougham 429/7.0L V8
1968 - 1970 Lincoln Continental Base 460/7.5L V8
1968 Ford Mustang Shelby GT-500 427/7.0L V8
1966 - 1967 Ford Fairlane 500XL 427/7.0L V8
1970 Mercury Montego MX 429/7.0L V8
1970 Ford Falcon Base 429/7.0L V8
1966 - 1968 Ford Galaxie 500 Base 427/7.0L V8
1968 - 1970 Ford Fairlane 500 428/7.0L V8
1970 Ford Fairlane 500 429/7.0L V8
1970 Mercury Montego Villager 429/7.0L V8
1969 Mercury Cyclone CJ 429/7.0L V8
1970 Mercury Cougar Boss 429 429/7.0L V8
1970 Ford Torino Squire 429/7.0L V8
1970 Ford Ranchero GT 429/7.0L V8
1969 - 1970 Ford Galaxie 500 XL 429/7.0L V8
1969 - 1970 Mercury Monterey Base 429/7.0L V8
1968 Lincoln Continental Base 429/7.0L V8
1969 - 1970 Mercury Marauder X-100 429/7.0L V8
1969 - 1970 Mercury Colony Park Base 429/7.0L V8
1969 - 1970 Mercury Monterey Custom 429/7.0L V8
1968 - 1970 Lincoln Mark III Base 460/7.5L V8
1970 Ford Ranchero Base 429/7.0L V8
1970 Ford Mustang Grande 428/7.0L V8
1970 Ford Mustang Boss 429 429/7.0L V8
1968 - 1969 Ford Ranchero 500 428/7.0L V8
1968 Ford GT40 Base 427/7.0L V8
1969 Ford Ranchero 500 /
1970 Ford LTD Brougham 429/7.0L V8

Specs:

# of Teeth 184
Application Ford
Brand Hays
Center Bore (Register Diameter) 2.500"
Emission Code 5
Engine Balance External
Material Steel
Product Type Flexplates
SFI Approved Yes
SFI Certification 29.1
Warranty 90 Day
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
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  1. 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
SKU: 51717520741

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4.4 ★★★★★
Based on 9 reviews
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Product Reviews
T
Verified Purchase
Trevor & Tiffany G
Louisville, US
★★★★★ 5
Franklin X-40 vs. Dura Fast 40 (vs. Onix)
Size: 12 Pack, Color: Optic Yellow, Size: 12 Pack, Color: Optic Yellow
Review order: Review summary (quick read) Review update (4-13-2021) Full review (long read) Summary: This review might save you a lot of time researching balls, but here's the summary if you don't want to read the full review... For 4.0+ play consider the Dura Fast 40 when preparing for certain tournaments, but expect only about 2 games per ball, which is quite annoying in my opinion... for 95% of players, definitely go with the Franklin X-40 (except when preparing for a Dura only tournament of course). If you just want the ball to last and last year after year and don't care at all about egging or quality of play consider the much softer and much slower and much bouncier Onix ball. The Onix ball is so soft that I can't recommend it for typical play, but it is actually an excellent choice when introducing new players to the game and it is often the preferred ball in 65+ play if mobility becomes a common issue because extra bounce = extra time to get there, but in my area many older players seem to play the X-40 just fine. * * * * * * * * * * * * * * * * * * * * * * * * Update: 4-13-2021: Popularity: Almost everyone in my area is playing the Franklin X-40 in every park. I finally saw a Dura in play yesterday, but it's been a long time! Outdoor tournaments in my state are now about 60% X-40 and about 40% Dura (Washington), so even in tournament play the Dura seems to be going out pretty quick. Seasonal durability of X-40: for the first year I don't think my group cracked a single X-40 (despite having a faster paced game), but using that same batch of balls this Spring, they've all been dropping like flies so now my 1 year old batch of X-40's probably isn't much more durable than brand new Dura's (very annoying to deal with those cracks). I just bought new X-40's yesterday and I'll be discarding the few X-40's that are left from last year when the new stock arrives. It will be new X-40's for me once a year from now on assuming quality doesn't slide... fresh manufacturing is apparently very important, so hopefully Franklin will keep their runs moderate, and maybe that's what Dura did wrong.(?) * * * * * * * * * * * * * * * * * * * * * * * * Full review: This review will focus largely on the physical & quality comparisons between the Franklin Outdoor X-40 pickleball and the Dura Fast 40 pickleball, but I'll also give a summary of my impressions from the mouth of experts and supplement also by my own amateur impressions and measurements. Dura hole specs: 16 drilled holes @ 0.325" & 24 drilled holes @ .264" Franklin hole specs: 40 drilled holes @ 0.288" Both balls have 40 holes with an average hole size of 0.288", but the Dura ball has a far more randomized hole pattern. I personally didn't notice any difference in spin characteristics or any notable advantage to the randomized hole pattern of the Dura. Franklin weight: 26g Dura weight: 25g Both balls are rotationally molded in one continuous piece so the seam is just as strong as the rest of the ball on either ball... the appearance of a seam is on the outside of the ball only but the visual molding mark is not actually separated in any way in the middle of the ball and the inside of the ball will likewise appear 100% seamless on either ball, so no true seam exists (both balls are true "1-piece" balls). The Dura ball has much smoother molding marks w/ no plastic flashing like the Franklin... this is primarily cosmetic but quality in this regard definitely goes to the Dura. Subjective color preference: in the shade I think the Dura "Neon" color looks better (see pic), but in typical full sun the green tint looks dingy on the Dura ball in my opinion, and I feel the Franklin "Optic Yellow" is a crisper color that's probably a little more visible. These are the only 2 ball colors I have to compare. I would prefer more dye to be used for a green ball so it still looks green in full sun because in my experience with disc golf and ball golf neon green is the most visible color and neon pink is good too... with these 2 options I'd pick the yellow... the green tint on the Dura is so subtle in full sun it ends up looking more like a dingy yellow rather than a green. A more apples to apples comparison would be Dura's yellow option but I'm pretty confident Franklin would win that contest also based on the notably higher translucency in the plastic used by Dura. Color: Franklin wins. Franklin X-40 country of origin: China Dura Fast 40 country of origin: Vietnam - - EXPERT INSPIRED IMPRESSIONS - - From what I've gathered, expect much longer play per dollar out of the Franklin and expect very little life out of the Dura. Dura's are supposed to be a little harder/better/faster, but they often only last a few games based on everything I've read and heard. For older players consider the Onix over either of these balls... softer balls bounce higher and hit slower which allows more time to get to the ball for longer rallies... the Onix seems to be the favorite for play in older aged groups. Based on expert advise from the "pickleball kitchen" youtube channel... Best performance award (fastest, hardest): Dura Fast 40 Best Value (also w/ great performance): Franklin Outdoor X-40 - - - except high level players should opt for the Dura due to tournament requirements (note: this observation may be outdated... check tournaments in your state to verify what local tournaments are still using the Dura in your area and which tournaments have switched to the X-40) Longest lasting, but soft and bouncy: Onix Note: I have not seen a single outdoor tournament publish the Onix as their ball. My personal recommendation for most players based on a lot of reviews and some research and a close look would be to skip the Dura and go straight to the Franklin X-40 until you're playing tournaments... if/when you advance to the level of playing serious tournament play I don't think it would take long to transition muscle memory and power from the Franklin outdoor ball to the Dura ball and a lot of money and annoyance can be saved w/ the Franklin over the very brittle Dura... Franklin X-40 balls don't last very long either (according to some... possibly old stock), but compared to the Dura it's a notable improvement strongly worth considering even if you're a quality buff like myself. Manufacturing quality: Dura wins Material durability: Franklin easily wins and Onix lasts much longer still if you don't mind a notably slower game (more similar to indoor) and more egging. Quality of play: Mixed... many elite players prefer the extra speed of the Dura, but I prefer the consistency of virtually everyone using the same ball and even more notably, I'd rather sacrifice just a little speed to get the higher consistency / predictability / reliability of an uncracked ball and I find it distracting to look for cracks all the time. Value (w/o sacrificing much): Franklin Despite the long read, I'm hoping this helps the reader save some time in selecting a pickleball, especially for players new to the game.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 15, 2020
S
Verified Purchase
Sean Bozarth
Massapequa, US
★★★★★ 5
Comfortable and Effective Ear Plugs for Swimming
Color: Multicolored 1, Size: 1 pair (Pack of 3)
I picked up these ear plugs for swimming and was pleasantly surprised by how well they work. They’re soft and flexible, so they fit comfortably without feeling like they’re digging into your ears, even during longer swim sessions. They do a great job keeping water out whether you’re in a pool or just showering, and they stay in place well without constantly needing adjustment. I also like that they’re reusable and easy to rinse off and store after use. Overall, this is a solid set of swim ear plugs that are comfortable, practical, and easy to use. A good choice if you spend a lot of time in the water and want something reliable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 1, 2026
J
Verified Purchase
J D
Grantham, US
★★★★★ 5
Good earplug. Will buy again.
Color: Multicolored 1, Size: 1 pair (Pack of 3)
These work better than another swimming earplug I tried on amazon. They stay in well, they completely block water from entering the ear canal and generally seem more firm and durable than the other pair. They are also cheaper. I have had the little tail pop out of my ear while swimming, but that hasn't been a problem other than I notice it. The earplug still stays in. Did multiple 2.4 mile swims in them including an Ironman race and they stayed in the whole time. I'm going to try the version with the goggles straps now.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 4, 2026
D
Verified Purchase
Dania valle vina
Lexington, US
★★★★★ 5
Comfortable and easy to use
Color: Multicolored 1, Size: 1 pair (Pack of 3)
These ear plugs fit better than a lot of others I’ve tried and they stay in place while swimming. They’re soft enough to wear comfortably for longer periods without irritating my ears. I also like that they come with different sizes, which makes it easier to find the right fit. They block water well and the carrying case is convenient for keeping everything organized.
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Reviewed in the United States on May 19, 2026
A
Verified Purchase
Ana
Los Angeles, US
★★★★★ 4
Good fit and keep the water out.
Color: Multicolored 1, Size: 1 pair (Pack of 3)
These earplugs work really well for lap swimming. They keep the water out and stay put whether I'm wearing a swim cap or not. They are easy to put in and take out and the size is perfect, they are so soft they adjust to the size of your ear canal. They keep out lots of sound. My only issue is they sink. Not sure what I'll do with open water swimming except keep them in the entire time.
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Reviewed in the United States on February 24, 2026

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