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The 68RFE has its limits, especially behind a 6.7L Cummins that sees towing, tuning, added power, or heavy daily use.

That’s why the right rebuild kit matters.

Instead of piecing together parts and hoping everything works together, our 68RFE rebuild kits are built around the way these transmissions actually fail. From friction material and steels to seals, gaskets, and supporting components, each kit is put together to help strengthen the areas that need it most.

Plus all rebuild kits ship for free this month...so whether you’re freshening up a work truck, building a reliable tow rig, or stepping into a higher-horsepower setup, we can help match the kit to your goals.

suncoastperformance.com | 800.868.0053

#68rfe #67cummins #cummins #ramtrucks #dieselperformance #transmissionrebuild #rebuildkit #builttransmission #towrig #truckperformance #suncoastperformance #madeinusa

The pump is one of those parts you don’t want to overlook during a 6L80 or 6L90 build.

Its job is simple in theory, but critical in practice: keep fluid moving, maintain hydraulic pressure, and support the clutch apply and shift quality the transmission depends on.

When pump wear, pressure loss, or sealing issues show up, the rest of the transmission feels it fast.

SunCoast's 6L80/6L90 Pump and Bellhousing Assembly is fully assembled, machined to OE specifications, and built with upgraded internal components to help support better durability in demanding applications.

Whether you’re freshening up a stock unit, building for added power, or replacing a worn pump assembly, starting with the right foundation matters.

Available now at suncoastperformance.com | 800.868.0053

#6l80 #6l90 #gmtransmission #chevytrucks #gmperformance #transmissionrebuild #transmissionparts #builttransmission #torqueconverter #suncoastperformance #madeinusa

That spinning billet piece in the middle of a converter does a lot more than most people realize. 👀

Inside a torque converter, the stator plays a major role in how efficiently power is transferred from the engine to the transmission. It redirects fluid flow, helps multiply torque, and has a direct effect on how the vehicle responds under load.

Blade angle, curvature, spacing, and fluid path all matter. A stator that is designed correctly can help improve launch feel, towing response, spool-up, and overall drivability. A poorly matched stator can make the vehicle feel lazy, inefficient, or wrong for the way it is actually being used.

That’s why torque converter selection is not just about stall speed.

At SunCoast, we look at how the truck is used, how much power it makes, what it tows, how it is driven, and what the customer expects from it. From there, we match the converter to the build.

Need help choosing the right converter for your setup? Give us a call. All converters ship for free this month!

suncoastperformance.com | 850.864.2361

What does a valve body do anyway??

Think of the valve body as the hydraulic control center of the transmission.

It directs fluid where it needs to go, helps control clutch apply, manages shift timing, and plays a major role in how cleanly the transmission engages each gear. When the valve body is worn, contaminated, or not operating correctly, the transmission can start showing symptoms like harsh shifts, delayed engagement, flares, slipping, inconsistent pressure, or converter apply issues.

On newer transmissions, especially units like the GM 10L1000, the valve body is even more critical. These transmissions depend heavily on precise hydraulic control, and there is not much room for guesswork. Small issues inside the valve body can create big drivability problems.

That’s why we don’t treat valve body work like a simple parts swap. Our team understands how these circuits work, how pressure affects clutch apply, and what to look for when something isn’t responding the way it should.

The 10L1000 is not a transmission everyone wants to touch, but it’s one we’ve spent time learning, testing, and building the right way.

Have questions about a 10L1000 build, valve body, or transmission issue? Give us a call.

suncoastperformance.com | 850.864.2361

#10l1000 #allison10l1000 #gm10speed #gmduramax #duramaxdiesel #transmissionbuild #valvebody #transmissionrepair #builttransmission #dieselperformance #truckperformance #suncoastperformance #madeinusa

It's Throwback Thursday again, so that means it's time for Part 4 of "Name That SunCoast Employee"!

If you guessed the one and only Montana "Dakota Strawberry" Cherry last week…you would be correct! Seems there was an almost unanimous vote there, so we may have made it TOO easy.

This week might be just a little bit harder, unless you've been a long-time SunCoast fan. Drop your guesses! 👇🏻

#throwbackthursday

It’s always a good day when “Big Nick” Yerbey from @whateverittakestransmission stops by to see us while in our neck of the woods! #partnershipsthatmatter

A transmission is only as strong as the pieces inside it.

Daily driving, towing, tuning, bigger tires, hard launches, and extra heat all change what a 10R80 transmission needs to survive. That’s why the right clutch capacity, valve body strategy, converter setup, and supporting components matter.

Our Category 4 10R80 Extra Capacity Rebuild Kit brings together the parts needed to help strengthen the areas that take the abuse, improve apply control, and support more consistent performance under load.

Building a 10R80? We’ll help match the kit to the way the vehicle is actually used. Check us out online, or give us a call if you need help choosing the right rebuild kit or full transmission build for your application.

suncoastperforamnce.com |850.864.2361

#10r80 #ford10r80 #f150performance #fordf150 #fordmustang #fordbronco #transmissionrebuild #rebuildkit #builttransmission #performancetransmission #suncoastperformance #transmissionparts #truckperformance #automotiveaftermarket

A transmission is only as strong as the pieces inside it.

Daily driving, towing, tuning, bigger tires, hard launches, and extra heat all change what a 10R80 transmission needs to survive. That’s why the right clutch capacity, valve body strategy, converter setup, and supporting components matter.

Our Category 4 10R80 Extra Capacity Rebuild Kit brings together the parts needed to help strengthen the areas that take the abuse, improve apply control, and support more consistent performance under load.

Building a 10R80? We’ll help match the kit to the way the vehicle is actually used. Check us out online, or give us a call if you need help choosing the right rebuild kit or full transmission build for your application.

suncoastperforamnce.com |850.864.2361

#10r80 #ford10r80 #f150performance #fordf150 #fordmustang #fordbronco #transmissionrebuild #rebuildkit #builttransmission #performancetransmission #suncoastperformance #transmissionparts #truckperformance #automotiveaftermarket

A transmission is only as strong as the pieces inside it.

Daily driving, towing, tuning, bigger tires, hard launches, and extra heat all change what a 10R80 transmission needs to survive. That’s why the right clutch capacity, valve body strategy, converter setup, and supporting components matter.

Our Category 4 10R80 Extra Capacity Rebuild Kit brings together the parts needed to help strengthen the areas that take the abuse, improve apply control, and support more consistent performance under load.

Building a 10R80? We’ll help match the kit to the way the vehicle is actually used. Check us out online, or give us a call if you need help choosing the right rebuild kit or full transmission build for your application.

suncoastperforamnce.com |850.864.2361

#10r80 #ford10r80 #f150performance #fordf150 #fordmustang #fordbronco #transmissionrebuild #rebuildkit #builttransmission #performancetransmission #suncoastperformance #transmissionparts #truckperformance #automotiveaftermarket

A transmission is only as strong as the pieces inside it.

Daily driving, towing, tuning, bigger tires, hard launches, and extra heat all change what a 10R80 transmission needs to survive. That’s why the right clutch capacity, valve body strategy, converter setup, and supporting components matter.

Our Category 4 10R80 Extra Capacity Rebuild Kit brings together the parts needed to help strengthen the areas that take the abuse, improve apply control, and support more consistent performance under load.

Building a 10R80? We’ll help match the kit to the way the vehicle is actually used. Check us out online, or give us a call if you need help choosing the right rebuild kit or full transmission build for your application.

suncoastperforamnce.com |850.864.2361

#10r80 #ford10r80 #f150performance #fordf150 #fordmustang #fordbronco #transmissionrebuild #rebuildkit #builttransmission #performancetransmission #suncoastperformance #transmissionparts #truckperformance #automotiveaftermarket

We’re a day late but wanted to honor the women whose love, strength, sacrifice, & unwavering faith has shaped families, communities, and future generations.

Our Suncoast team is especially thankful for the grandmothers, mothers, wives, and mentors who lead with grace, work with perseverance, and love unconditionally. Those strong roots help us grow stronger and mean more than words can express.

“Her children rise up and call her blessed…”
Proverbs 31:28

Happy Mother’s Day! 🩷

☀️ God has blessed us with another beautiful, sunny morning here at SunCoast, and we’re thankful for another day to build the transmissions and torque converters our customers depend on!

Free shipping is available through the end of the month on qualifying orders, so if you’ve been waiting to get your build started, now’s the time.

Give us a call or visit us online:
👉🏻suncoastperformance.com | 850.864.2361

#suncoastperformance #suncoastconverters #transmissionbuild #transmissionshop #torqueconverter #dieseltrucks #trucklife #americanmade #madeinflorida #floridamade #emeraldcoast #emeraldcoastflorida #fortwaltonbeach #destinflorida #floridalife #shoplife #dieselperformance #truckperformance #builttooutlast

It's yet again Throwback Thursday, so that means it's time for Part 3 of "Name That SunCoast Employee"!

If you guessed Branden last week…you would be correct!

This week, we bring you this sweet country baby who isn't nearly this short anymore. Drop your guesses!

#throwbackthursday

We’re endlessly grateful for Kevin and the team at @a_world_of_signs for always keeping us looking our best!

From vinyl to wraps to signage, they’ve been a great local partner over the years, and we’re even more excited that they’ll be moving right around the corner from us soon.

If you’re in the Fort Walton Beach area and need quality sign work, wraps, or vinyl, we highly recommend giving them a shout.

#supportlocal #shoplocal #emeraldcoastvinylwraps #fortwaltonbeach #suncoastperformance

We’re endlessly grateful for Kevin and the team at @a_world_of_signs for always keeping us looking our best!

From vinyl to wraps to signage, they’ve been a great local partner over the years, and we’re even more excited that they’ll be moving right around the corner from us soon.

If you’re in the Fort Walton Beach area and need quality sign work, wraps, or vinyl, we highly recommend giving them a shout.

#supportlocal #shoplocal #emeraldcoastvinylwraps #fortwaltonbeach #suncoastperformance

When @603dieselsofficial wanted to get deeper into Duraflite conversions, they came to the right place.

Nastassja and Eric made the trip from New Hampshire to the Emerald Coast to work alongside Sam on a 47RE Duraflite conversion behind their LB7 Duramax.

A build like this requires understanding the full picture. How the transmission integrates with the truck, what details matter most, and how to execute it right. Having them in the shop meant we could walk through every step together and share the kind of knowledge that only comes from actually doing the work.

We appreciate Nastassja and Eric making the trip down and trusting our team with the process. Can't wait to see what 603 Diesels does with this one back in New Hampshire!

When @603dieselsofficial wanted to get deeper into Duraflite conversions, they came to the right place.

Nastassja and Eric made the trip from New Hampshire to the Emerald Coast to work alongside Sam on a 47RE Duraflite conversion behind their LB7 Duramax.

A build like this requires understanding the full picture. How the transmission integrates with the truck, what details matter most, and how to execute it right. Having them in the shop meant we could walk through every step together and share the kind of knowledge that only comes from actually doing the work.

We appreciate Nastassja and Eric making the trip down and trusting our team with the process. Can't wait to see what 603 Diesels does with this one back in New Hampshire!

When @603dieselsofficial wanted to get deeper into Duraflite conversions, they came to the right place.

Nastassja and Eric made the trip from New Hampshire to the Emerald Coast to work alongside Sam on a 47RE Duraflite conversion behind their LB7 Duramax.

A build like this requires understanding the full picture. How the transmission integrates with the truck, what details matter most, and how to execute it right. Having them in the shop meant we could walk through every step together and share the kind of knowledge that only comes from actually doing the work.

We appreciate Nastassja and Eric making the trip down and trusting our team with the process. Can't wait to see what 603 Diesels does with this one back in New Hampshire!

When @603dieselsofficial wanted to get deeper into Duraflite conversions, they came to the right place.

Nastassja and Eric made the trip from New Hampshire to the Emerald Coast to work alongside Sam on a 47RE Duraflite conversion behind their LB7 Duramax.

A build like this requires understanding the full picture. How the transmission integrates with the truck, what details matter most, and how to execute it right. Having them in the shop meant we could walk through every step together and share the kind of knowledge that only comes from actually doing the work.

We appreciate Nastassja and Eric making the trip down and trusting our team with the process. Can't wait to see what 603 Diesels does with this one back in New Hampshire!

When @603dieselsofficial wanted to get deeper into Duraflite conversions, they came to the right place.

Nastassja and Eric made the trip from New Hampshire to the Emerald Coast to work alongside Sam on a 47RE Duraflite conversion behind their LB7 Duramax.

A build like this requires understanding the full picture. How the transmission integrates with the truck, what details matter most, and how to execute it right. Having them in the shop meant we could walk through every step together and share the kind of knowledge that only comes from actually doing the work.

We appreciate Nastassja and Eric making the trip down and trusting our team with the process. Can't wait to see what 603 Diesels does with this one back in New Hampshire!

When @603dieselsofficial wanted to get deeper into Duraflite conversions, they came to the right place.

Nastassja and Eric made the trip from New Hampshire to the Emerald Coast to work alongside Sam on a 47RE Duraflite conversion behind their LB7 Duramax.

A build like this requires understanding the full picture. How the transmission integrates with the truck, what details matter most, and how to execute it right. Having them in the shop meant we could walk through every step together and share the kind of knowledge that only comes from actually doing the work.

We appreciate Nastassja and Eric making the trip down and trusting our team with the process. Can't wait to see what 603 Diesels does with this one back in New Hampshire!

When @603dieselsofficial wanted to get deeper into Duraflite conversions, they came to the right place.

Nastassja and Eric made the trip from New Hampshire to the Emerald Coast to work alongside Sam on a 47RE Duraflite conversion behind their LB7 Duramax.

A build like this requires understanding the full picture. How the transmission integrates with the truck, what details matter most, and how to execute it right. Having them in the shop meant we could walk through every step together and share the kind of knowledge that only comes from actually doing the work.

We appreciate Nastassja and Eric making the trip down and trusting our team with the process. Can't wait to see what 603 Diesels does with this one back in New Hampshire!

When @603dieselsofficial wanted to get deeper into Duraflite conversions, they came to the right place.

Nastassja and Eric made the trip from New Hampshire to the Emerald Coast to work alongside Sam on a 47RE Duraflite conversion behind their LB7 Duramax.

A build like this requires understanding the full picture. How the transmission integrates with the truck, what details matter most, and how to execute it right. Having them in the shop meant we could walk through every step together and share the kind of knowledge that only comes from actually doing the work.

We appreciate Nastassja and Eric making the trip down and trusting our team with the process. Can't wait to see what 603 Diesels does with this one back in New Hampshire!

When @603dieselsofficial wanted to get deeper into Duraflite conversions, they came to the right place.

Nastassja and Eric made the trip from New Hampshire to the Emerald Coast to work alongside Sam on a 47RE Duraflite conversion behind their LB7 Duramax.

A build like this requires understanding the full picture. How the transmission integrates with the truck, what details matter most, and how to execute it right. Having them in the shop meant we could walk through every step together and share the kind of knowledge that only comes from actually doing the work.

We appreciate Nastassja and Eric making the trip down and trusting our team with the process. Can't wait to see what 603 Diesels does with this one back in New Hampshire!