Your shopping cart is empty.
Monster 700R4
Classic 4-speed OD for square-body and early GMT400 trucks. Our 700R4 builds address input drum and 3-4 clutch weaknesses for dependable daily use and towing.
Shop 700R4
0
Chevy 1500 Transmissions
From classic 700R4 trucks to modern 6L80-equipped Silverados, Monster builds deliver durability, crisp shifting, and real-world torque capacity. Daily driver, tow rig, or performance street build—we’ve got the right transmission for your Chevy 1500.
Built To Solve GM’s Known Weak Points
Each Monster transmission goes beyond stock with upgraded hard parts, precision machining, pressure calibration, and dyno testing. Whether you’re refreshing an older 700R4 or stepping up a 4L65E/4L70E/4L75E, we engineer for towing, heat control, and long-term reliability.
Work truck or weekend cruiser, we match the build—and the torque converter—to your use case. Backed by real product specialists and our industry-leading warranty.
Monster 4L60E
The go-to electronic 4-speed OD. Our upgrades improve clutch capacity, servo apply, and valve body hydraulics—ideal for daily drivers and light towing.
Shop 4L60EMonster 4L65E
Stronger internals and better input capacity than 4L60E. A great step-up for mild bolt-ons, heavier 1500s, and moderate towing.
Shop 4L65EMonster 4L70E
Factory-improved variant with better hard parts. We take it further with clutch, servo, and hydraulics upgrades for improved holding power and longevity.
Shop 4L70EMonster 4L75E
Heavy-duty evolution of the 4L70E with improved torque capacity. Ideal for towing-focused builds or light performance street trucks.
Shop 4L75EMonster 6L80E
Modern 6-speed with advanced controls. Our builds target 3-5-R clutch and valve body issues, delivering smooth shifts and heat management for long-haul use.
Shop 6L80EChevy 1500 — Built For Real-World Use
From dyno-tested builds to expert support, here’s what sets Monster apart for your Silverado/Sierra 1500.
Upgrades Beyond Stock
Corrects GM weak points (clutch capacity, servos, hydraulics) with stronger internals and calibrated line pressure.
Matched Torque Converters
Every build includes a converter spec’d for your power, gear, tire, and use case for lockup control and heat management.
Dyno-Tested Confidence
Each transmission is tested before shipping—install with confidence and minimize comebacks.
Expert Product Specialists
Talk to people who build transmissions daily. Get the right recommendation the first time.
Warranty Coverage
Strong baseline coverage with extended options for work trucks and high-mileage users.
Nationwide Shipping
Fast turnarounds on popular Chevy 1500 units and streamlined core return support.
Chevy 1500 Transmission FAQ
Answers to common Silverado/Sierra 1500 transmission questions.
Which Monster transmission should I choose for my 1500?
Match by year and usage: 700R4 for early trucks, 4L60E/65E/70E/75E for later 4-speed OD models, and 6L80E for modern six-speeds. Towing or added power? Choose StreetMonster or TrackMonster-level builds for extra capacity.
Do your builds address the common 4L60E/65E failures?
Yes—our packages target clutch capacity, servo apply, valve body wear, and heat management for better durability under daily use and towing.
Is a torque converter included and matched?
Yes. We include a converter spec’d for your engine mods, gear ratio, tire size, and intended use to maintain lockup quality and control heat.
What warranty coverage is available?
All Monster transmissions include strong baseline coverage with extended options available—ask our team for the right fit based on your usage.
How quickly can I get my transmission?
Popular Chevy 1500 units are often in stock. Lead time depends on model and build level—we’ll provide accurate ETAs at checkout or by phone.