Supercharger / Centrifugal-Supercharger. The easiest, most dramatic and most reliable boost in horsepower and torque over the entire rev range. LS1-6 Conversions. Convert your american classic car by more modern technology. With Chevrolet LS1 LS6 power and fuel economy and 4L60E/65E or GM 4L80E transmission. 350HP/405Hp or compressor/turbo 600-900Hp. TH350 850 Hp Full Race, TH400 Stage II - Stage VI, TH200-4R Stage I to Stage III and Full Race, TH700R4 / 4L60E / 4L65E Stage II - Stage V, 4L80E / 4L85E Stage I - Stage IV and 6L80E / 6L90E From standard to version that can handle 1000Hp We carry out repairs and complete renovations on automatic and manual transmissions for the most common car brands with recent knowledge and updates to of the software. With generous commitments and warranties. We will repair or renovate your existing gearbox or replace it with a replacement gearbox. We also handle removal and installation in the car. For companies, we have free shipping within Sweden for loose gear boxes. More than 25 years of experience. We carry out repairs and complete renovations for the most common car brands and transmissions. With good experience and generous warranties. Racing Auto Transmissions from Street to Strip (Pro Mod) 3000Hp Turbo Glide. We build to your specification. Nuk- Cobra Glide III 3000HP, Cobra Glide II 2500HP, Cobra Glide I 2000HP, ProGlide II 1800HP, ProGlide I 1500HP, 1.76 Super set Glide 1000HP. Even Chevrolet TH350, TH400, TH200-4R, TH700R4, 4L60E, 4L65E, 4L80E, 4L85E, 6L80E and 6L90E. Ford C4 and C6. Chrysler 727. Contact us for a quote. Powerglide 3-piece Super Case in 356-T6 aluminium. No external blast protection required. SFI spec 4.1 - 30.1. Needle bearing planetary support and yoke support. Bellhousing to GM, Ford and Mopar. Street/Race 1200hp 6vxl 6L80E High Horsepower Transmission with manual valve body. No electronics and lockup. Call / Email for quote. Street/Race 1000hp 4vxl TH700R4 / 4L60E Transmission Manual/Transbrake valve body. 10 inch lockup converter. Clutch Drums. 5-10 plates of steel/aluminum and aluminum with steel insert (aluminum clutch drum 3dbl the life of the plates). Valve bodys. Manual valve housing (forward or revers). Transbrake valve housing (forward or revers). To GM, Ford and Mopar. Planatary gearset. 1000hp to 3000hp power range. Helical or straight cut gear teeth. vasco. Aluminium carrier. Steel carrier. Oil-pumps. High performance std pump. Aluminium super pump.
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Gearbox Problems? We Build and renovate Street and Racing gearboxes.
Street/Strip, High Performance and Racing.

We carry out repairs and complete renovations on automatic transmissions and racing transmissions.
We repairing and renovating for car brands as Chevrolet, Chrysler, Ford.
With the recent knowledge and updates to of the software, in order to avoid similar errors in the future.
We have 25 years experience in the most common transmissions.
New For 2024-2025
blankLs-engines for Sale
knapp LS engines and transmissions in stock,
ready to be picked up or shipped to you.
Location Copenhagen/Denmark
blank- LS2 6.0 Gen4. DKK 45.000 Complete without gearbox.
blank- LQ/LS 6.0 Gen3. DKK 25.000 Complete without gearbox.
blank- Gearboxes 4L60E/65E/6L80E. DKK 10.000 When buying a motor.
blankEmail conversation:
nextgenauto26@gmail.com or nonstop.transmission@gmail.com

Ls-engines for Sale. LS engines and transmissions in stock, ready to be picked up or shipped to you. Location Copenhagen/Denmark    Ls-engines for Sale. LS engines and transmissions in stock, ready to be picked up or shipped to you. Location Copenhagen/Denmark
knapp TH400 Stage 5 / 2000Hp
TH400 Stage 5 / 2000Hp    TH400 Stage 5 / 2000Hp
knapp We Supplied Stage 6 TH400 to Daniel Werner's Crome Victoria
27L Meteor Interceptor twin turbo 2000 Hp+ 4000 Nm
Watch videos from YouTube below
Meteor Interceptor          We Supplied Stage 6 TH400 to Daniel Werner's 27L Crome Victoria 27L twin turbo 2000 Hp+ 4000 Nm
knapp Super 80 E Stage 6 / 2000Hp
The Ultimate Street Week Transmission
Super 80 E Stage 6 / 2000Hp The Ultimate Street Week Transmission
knapp Ford AOD Input Shaft for Ford C6 Converter. Std or Race.
(Eliminates Lockup - Overdrive Remains)
Ford AOD Input Shaft for Ford C6 Converter. Std or Race. Eliminates Lockup - Overdrive Remains    Ford AOD Input Shaft for Ford C6 Converter. Std or Race. Eliminates Lockup - Overdrive Remains
knapp No also 4L60E/65 Transbrake for TCM Controlled Gearbox
No also 4L60E/65 Transbrake for TCM Controlled Gearbox
knapp Master Kit Renovation Kits In 3 Different Steps
For The Most Common USA Gearboxes.
Standard / High Performance / Full Competition
We can also provide everything needed for updating STD / HP / Race Master Kit Renovation Kits in 3 Different Steps For The Most Common USA Gearboxes. Standard / High Performance / Full Competition. We can also provide everything needed for updating STD / HP / Race   Master Kit Renovation Kits in 3 Different Steps For The Most Common USA Gearboxes. Standard / High Performance / Full Competition. We can also provide everything needed for updating STD / HP / Race
knapp Ford AOD Gearboxes In 3 steps. Stock to Step 3, 650 Hp.
Renovated Automatic Transmissions for Sale
1 pcs TH400 Stage 2 800Hp+ NSTSEK 35.250
1 pcs 4L80E Stage 3 800Hp+ Gen 2NSTSEK 47.500
1 pcs 6L80E     2013 updated/Std.
Converted for slip yoke NSTSEK 55.000
1 pcs TF727     BB/ Transbrake PRN1.2.3
NSTSEK 28.000 8" Turbo Action converter NST17508XM / 3800 rpm stall NSTSEK 8.000
 News, New
6 speed 6R80 for your Vintage Ford with Quick 6 control system.
Fits Ford Modular/ Coyote engine.

Adapter 289-351 W/ 351 Cleveland.
Adapter 429-460.
Adapter 390-428.


SEK 81.000

SEK 24.800
SEK 27.250
SEK 26.100
6R80 gearbox marginally larger than Ford 4R70W or 4L60E but can handle up to 1000Hp.
6 speed 6R80 for your Vintage Ford with Quick 6 control system
 News, New
TH700R4 to
Chevrolet/Buick/Oldsmobile/Pontiac
TH700R4 to Chevy/Buick/Olds/Pontiac
 News, New
CONVERSION KIT
Convert your Chrysler / Dodge / Plymouth with GM 4L80E /65E /60E or TH700R4
For those who want a smooth overdrive transmission
CONVERSION KIT for AOD transmission CONVERSION KIT for AOD transmission CONVERSION KIT for AOD transmission CONVERSION KIT for AOD transmission
 News, New
FOR THOSE OF YOU LOOKING FOR GEARBOX to
Big Block Chrysler / Dodge 383-426-440 Overdrive gearboxes.
Built on 47RH V10 transmission
CONVERSION KIT for AOD transmission
 News, New
CONVERSION KIT
For AOD transmission.
Complete to Ford Mustang between 1965-73
SEK 13.217 (€ 1.180)
(VAT is added)
CONVERSION KIT for AOD transmission
 News, New
REBUILDING YOUR ENGINE
To screw- compressor/centrifugal compressor feeding.
The easiest, most dramatic and most reliable boost in horsepower and torque over the entire rev range
See more here
REBUILDING YOUR ENGINE to screw- compressor/centrifugal compressor feeding
 Price list for High Performance GM Transmissons
knapp TH350 High Performance Transmissions / Transbrake 850Hp Full Race and TH350 light weight 850HP Transbrake/Manual SS/Full racePrices and info on the reinforced "prepped" high performance transmissions TH350 Transbrake 850Hp Full Race and TH350 light weight 850HP Transbrake/Manual SS/Full race
knapp TH400 High Performance Transmissions / Stage II (800Hp), Stage III (1000Hp+), Stage IV (1500Hp), Stage V (2000Hp) and Stage VI (2,10 2step 2000-3000Hp), also with ATI Supercase SFIPrices and info on the reinforced "prepped" high performance transmissions TH400 Stage II (800Hp), Stage III (1000Hp+), Stage IV (1500Hp), Stage V (2000Hp) and Stage VI (2,10 2step 2000-3000Hp), also with ATI Supercase SFI
knapp TH200-4R High Performance Transmissions / Stage I - Stage III and Full Race
Prices and info on the reinforced "prepped" high performance transmissions TH200-4R Stage I (400Hp), Stage II (500Hp+), Stage III (650Hp+) and Full Race (1000Hp)
knapp TH700R4 / 4L60E / 4L65E High Performance Transmissions / Stage II (500Hp+), Stage III (650Hp+), Stage IV (800Hp+) and Stage V (1000Hp+)Prices and info on the reinforced "prepped" high performance transmissions TH700R4 / 4L60E / 4L65E Stage II (500Hp+), Stage III (650Hp+), Stage IV (800Hp+) and Stage V (1000Hp+)
knapp 4L80E / 4L85E High Performance Transmissions / Stage I (500Hp+), Stage II (650Hp+), Stage III (800Hp+), Stage IV (1200Hp) and Stage V (1500Hp), also light weight, 12inch High stall converter 2400rpm, 10inch Lockup converter 2000-5000 rpm stall speed, TCM control boxPrices and info on the reinforced "prepped" high performance transmissions 4L80E / 4L85E Stage I (500Hp+), Stage II (650Hp+), Stage III (800Hp+) and Stage IV (4L80E/85E 1200Hp 2,75 or 2,48 ratio) also light weight, 12inch High stall converter 2400rpm, 10inch Lockup converter 2000-5000 rpm stall speed, TCM control box
knapp 6L80E / 6L90E High Performance Transmissions / From standard to the version that can handle 1000HpPrices and info on the reinforced "prepped" high performance transmissions 6L80E / 6L90E from standard to the version that can handle 1000Hp
NSTNonstop-Transmission HB. +46 418 80832 / +46 705 555491 mail

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