The information provided on this page is to be used as a general guide. Thread sizes may vary depending on make and model of vehicle. Please measure the threads on your shifter prior to ordering. If you have any questions please contact us via e-mail or toll free at 866-906-7801 or 717-741-2665.

Performance Aftermarket Shifters

B&M™ (All models not listed below): 1/2 - 20
B&M™ 45034 for 2008-2013 Corvette C6, Z06: 9/16-18
B&M™ 45044 for 1997-2007 Corvette C5, C6, Z06: 9/16-18
B&M™ 45048 for 1999-2004 Jeep Wrangler TJ: 3/8-16
B&M™ 45108: 12mm x 1.50
B&M™ 45195 for 2005-2018 Jeep Wrangler TJ and JK: Non-threaded, requires a non-threaded adapter kit or a non-threaded insert
B&M™ 45197 Precision Sport Shifter for 2018 and newer Jeep Wrangler JL: 10mm x 1.25 Recessed for Reverse Lockout
B&M™ 46200 Replacement Stick for 2005-2018 Jeep Wrangler TJ and JK: 3/8-16
B&M™ 80587 Replacement Stick: 1/2-20
B&M™ 80683 Quick Silver: 1/2-20
B&M™ 81152 for 2007-2018 Jeep Wrangler JK: 3/8-16
B&M™ 81173 Extended Transfer Case Handle for 2018-2019 Jeep Wrangler JL: 3/8-16
B&M Quick Click™: 1/2 - 13
Barton - Camaro Shifter™ before 2013: 3/8 - 16
Barton - Camaro Shifter™ Flat Stick 2013 and newer: 12mm x 1.25
Barton - Camaro Factory Adapter BCMA™ 2013 and newer: 3/4 - 16
Barton - Challenger Shifter Manual (Flat Stick)™: 12mm x 1.25
Barton - 2015-21 Challenger/Charger Automatic Shift Knob™: 3/4 - 16
Barton - Charger / Challenger Automatic Factory Adapter 2015 and newer: 3/4 - 16
Barton - GT500 Shifter™: 10mm x 1.25
Barton - Mustang Shifter 2011BM-1™: 12mm x 1.25
Billet Specialties™: 3/8-16
Bowler Transmissions™: 3/8-16
EMPI Trigger Shifter™: 3/8 - 24
Fanatec H Pattern Racing Sim Shifter™: 12mm x 1.50
Ford Racing Short Shifter™ for '05 to '09 GT: 3/8 - 16
Ford Racing Short Shifter™ for '07 to '09 GT500: 3/8 - 16
Gennie Shifter™: 5/16 - 18
Gennie Shifter™ Commander: 7/16 - 20
Gennie Shifter™ Lo-Dapt™: 3/8 - 16
Hurst™ - 2016-20 Camaro Gen 6 Billet/Plus P/N:3916031: 9/16-18
Hurst™ - 2016-19 Camaro SS/ZR1 Billet/Plus P/N:3916047: Requires our 2013+ Camaro Adapter
Hurst™ - Auto/Stick1, Auto/Stick3: 3/8 - 16
Hurst™ - Billet/Plus: 3/8 - 16
Hurst™ - Competition Plus(newer): 3/8 - 16
Hurst™ - Competition Plus(older): 3/8 - 24
Hurst™ - Corvette Z06 P/N:3915086: 9/16-18
Hurst™ - Indy Matic I, Indy 3 Speed, Indy SSA: 3/8 - 24
Hurst™ - Pro-Matic: 1/2 - 13
Hurst™ - Quarter Stick, Quarter Stick II: 7/16 - 20
Hurst™ - Saf-T-Trigger: 3/8 - 24
Hurst™ - V-Matic, Vertical Gate (all prior to 1987): 1/2 - 13
Ipsco™ - Dodge Viper™ STS: 1/2 - 20
Kilduff™ : 1/2 - 13
Lenco™: 5/16 - 18
Lokar™: 3/8 - 16, 3/8 - 24
Long™: 7/16 - 20
Lou's Short Stick™ - Camaro / Firebird™ 1993-2002: 16mm x 1.50
Lou's Short Stick™ - Dodge Challenger™ 2008 to 2014 automatic: 16mm x 1.50
Lou's Short Stick™ - Dodge Challenger™ 2009 to 2014 manual: 16mm x 1.50
Lou's Short Stick™ - Dodge Challenger™ 2015 and newer manual: 16mm x 1.50
Lou's Short Stick™ - Dodge Charger™ 2006 to 2014 automatic: 16mm x 1.50
Lou's Short Stick™ - Pontiac GTO™ 2004 to 2006: 16mm x 1.50
LSR Performance™ - Tri-Ax Short Throw: 12mm x 1.75
McLeod™: 3/8 - 24
MGW Camaro Short Throw Shifter™: 12mm x 1.75, 16mm x 1.50
MGW Camaro Generation 5 Short Throw Shifter™: Non-Threaded
MGW Camaro / Firebird F Body Shifter™: 12mm x 1.75
MGW Camaro Retro Shaft Handle™: 12mm x 1.75
MGW Corvette Generation 5™: 9/16 - 18
MGW Corvette Generation 6™: Non-Threaded
MGW Flat Stick™: 3/8 - 16
MGW Mustang Short Throw Shifter™: 12mm x 1.25, 12mm x 1.75
MGW Mustang GT350 Shifter™: 10mm x 1.25 Threads must be recessed for reverse lockout
MGW Mustang GT500 Shifter™: 12mm x 1.25, 12mm x 1.75, 10mm x 1.25
Modern Performance Dodge Dart Short Throw Shifter™: Requires our Dodge Dart Shift Knob Adapter
Mopar Short Throw Stick for '09-'14 Dodge Challenger™: 3/8 - 16
Mr Gasket™: 1/2-13
Mr Norms Garage - Dodge Challenger Shifter Stick™: 7/16 - 20
MTI Racing Six Shooter™: 9/16-18
Ohio Diesel™ for Dodge Cummins™: 10mm x 1.50, 3/8-16
Pro 5.0™: 12mm x 1.75
Raceseng 081207™: 3/4 - 16
Roush Mustang Short Throw™: 12mm x 1.25
Scat™- Drag Fast: 3/8 - 16
Serco™: 1/2 - 13
Shelby American™ - Generation 1 (up to 2011): 12mm x 1.75
Shelby American™ - Generation 2 (introduced in 2011): 12mm x 1.25
Shiftworks: 1/4 - 20
Steeda™ Tri-Ax '01 to '04: 12mm x 1.75
Steeda™ '05 to '10: 12mm x 1.75
Steeda™ '11 to '14: 12mm x 1.25
Tick Performance™ Billet Short Throw for 1993-2002 Camaro and Firebird: 16mm x 1.50
Tick Performance™ Billet Short Throw for 2004-2006 GTO: 16mm x 1.50
TCI Fast-Gate™: 7/16 - 20
TCI Fast-Gate™ P/N 616541: 1/2 - 20
TCI Street Fighter™: 7/16 - 20
TCI Street Fighter for '05-'08 Mustang™: 3/8 - 16
Vintage Speed™: 8mm x 1.25
White Madness Garage for '15 and newer Automatic Challenger and Charger™: 12mm x 1.25
Winters™ - Sidewinder (Standard): 1/2 - 13

Motorcycles/Autocycles

Harley Davidson­™: 3/8 - 24
Indian™: 3/8 - 24
Polaris Slingshot™: Requires our Polaris Slingshot Adapter

Domestic Vehicles

AMC AMX™ - manual 1969: 3/8 - 24
AMC Javelin™ - manual 1969: 3/8 - 16
Buick Grand National™ - Requires our universal automatic shifter adapter kit
Cadillac CTSV™ - manual 2005: Non-threaded, requires a non-threaded adapter kit, call for options
Chevrolet Blazer™ - manual 1973: 3/8 - 24
Chevrolet Blazer™ - transfer case 1973: 7/16 - 20
Chevrolet Blazer™ - transfer case 1989: 7/16 - 14
Chevrolet Camaro™ - manual 1967 to 1969: 5/16 - 18
Chevrolet Camaro™ - manual 1970 to 1981: 3/8 - 16
Chevrolet Camaro™ - manual 1982 to 2002: 16mm x 1.50
Chevrolet Camaro™ - manual 2010 to 2012: Non-threaded, requires a non-threaded insert with set screws and a Camaro Boot Retainer
Chevrolet Camaro™ - manual 2013 to 2021: Requires our special Camaro Adapter, call for information
Chevrolet Chevelle™ - 4 speed: 9/16 - 18
Chevrolet Chevy II™ - 4 speed: 9/16 - 18
Chevrolet Corvair™ through 1963: 5/16 - 18
Chevrolet Corvette™ C1 - 1953 to 1962: 3/8 - 16
Chevrolet Corvette™ C2 - 1963 to 1967: 5/16 - 18
Chevrolet Corvette™ C2 with Reverse Lockout on Shifter - manual 1963 to 1967: 9/16 - 18 Recessed for Reverse Lockout
Chevrolet Corvette™ C3, C4, C5 - manual 1968 to 2004: 9/16 - 18
Chevrolet Corvette™ C3, C4, C5 with Reverse Lockout on Shifter - manual 1968 to 2004: 9/16 - 18 Recessed for Reverse Lockout
Chevrolet Corvette™ C6 - manual 2005 to 2013: Requires a special C6 adapter, call for information
Chevrolet Corvette™ C7 - manual 2014 and newer: Requires a special C7 adapter, call for information
Chevrolet Cruze™ - manual 2011: 10mm x 1.25 also requires our Reverse Lockout Adapter - Narrow 10mm x 1.25
Chevrolet HHR™ - manual: Non-threaded, requires our non-threaded insert w set screws
Chevrolet Impala Sport Coupe™ - 1959 4 speed: 5/16 - 18
Chevrolet Impala™ - 1964-1966 4 speed: 9/16 - 18
Chevrolet Impala™ - 1964 Automatic floor shifter: 3/8 - 16
Chevrolet K10™ Truck manual - 1967 to 1983: 3/8 - 24
Chevrolet K10™ Truck transfer case - 1979: 7/16-20
Chevrolet K3500™ Truck - 1993: 7/16 - 14
Chevrolet Monza™ 1980: 1/2-20
Chevrolet Nova™ 1972: 1/2-20
Chevrolet S10™ Truck - 1992: 10mm x 1.50
Chevrolet S10™ Truck - 1997: Non-threaded, requires a non-threaded adapter kit or a non-threaded insert with set screws
Chevrolet SS™ - manual 2016-17: : Requires our special Camaro Adapter, call for information
Chevrolet SSR™ - manual: Non-threaded, requires our non-threaded insert w set screws
Chevrolet Silverado™ - 1994 Transfer Case: 7/16 - 14
Chevrolet Sonic™ - manual: Non-threaded, requires our non-threaded insert w set screws
Chevrolet Spark™ manual - 2014: Non-threaded, requires a non-threaded adapter kit or a non-threaded insert with set screws
Chevrolet™ Truck - 1936 to 1946: 3/8 - 24
Chevrolet 3100™ Truck - 1955 Transfer Case: 7/16-14
Chevrolet™ Truck - 1967 to 1983: 3/8 - 24
Chevrolet™ Truck 2500 - 1991 Transfer Case - 7/16-14
Chevrolet Vega™ - 1972 manual - 9/16-12
Chrysler™ newer - manual: 8mm x 1.25
Chrysler 300™ newer - automatic: Requires the Lou's Short Stick Dodge Charger 2006-14 & Challenger 2008-14 Automatic Shift Knob Adapter
Chrysler Prowler™ - automatic: Requires our Universal Automatic Shifter Adapter
Dodge™ 1966 to 1968 Inland Shifter: 9/16-18 Recessed for Reverse Lockout
Dodge Caliber SRT4™ 2008 - 2009 - manual: 12mm x 1.25 also requires our Medium Reverse Lockout Adapter
Dodge Challenger™ 2008 - manual: 8mm x 1.25
Dodge Challenger™ 2009 - 2014 - manual Pistol Grip: Requires the Lou's Short Stick Dodge Challenger 2009 to 2014 Manual Shift Knob Adapter along with a shift knob that is threaded to 16mm x 1.50
Dodge Challenger™ 2015 and newer - manual: Requires the Lou's Short Stick Dodge Challenger R/T, Scat Pack, SRT and Hellcat 2015 and Newer Manual Shift Knob Adapter along with a shift knob that is threaded to 16mm x 1.50
Dodge Challenger™ 2008 - 2014 - automatic: Requires the Lou's Short Stick Dodge Charger 2006-14 & Challenger 2008-14 Automatic Shift Knob Adapter along with a shift knob that is threaded to 16mm x 1.50
Dodge Challenger™ 2015 and Newer - automatic: Requires the White Madness Garage Dodge Charger & Challenger 2015 & Newer Automatic Adapter along with a shift knob that is threaded to 12mm x 1.25
Dodge Charger™ 2006 (and some but not all 2007) - automatic: 8mm x 1.25
Dodge Charger™ 2007 - 2014 - automatic: Requires the Lou's Short Stick Dodge Charger 2006-14 & Challenger 2008-14 Automatic Shift Knob Adapter along with a shift knob that is threaded to 16mm x 1.50
Dodge Charger™ 2015 and newer - automatic:  Requires the White Madness Garage Dodge Charger & Challenger 2015 & Newer Automatic Adapter along with a shift knob that is threaded to 12mm x 1.25
Dodge Cummins™ Truck - 2006 - manual: 10mm x 1.50
Dodge Dart™ - 1967: 9/16-18
Dodge Dart™ - prior to 1976: 3/8 - 24
Dodge Dart™ - 2012 and newer: Requires a Speed Dawg Dodge Dart Shift Knob Adapter 2013 and Newer
Dodge Dakota™: 10mm x 1.50
Dodge Durango™ 2013 - automatic: Requires the Lou's Short Stick Dodge Charger 2006-14 & Challenger 2008-14 Automatic Shift Knob Adapter along with a shift knob that is threaded to 16mm x 1.50
Dodge Magnum™ 2005 -  8mm x 1.25
Dodge Magnum™ 2006 to 2008 -  Requires the Lou's Short Stick Dodge Charger 2006-14 & Challenger 2008-14 Automatic Shift Knob Adapter
Dodge Neon SRT4™ 2005 - manual: Non-threaded Non-threaded, requires our Non-Threaded Shifter Adapter Kit along with a shift knob that has 16mm x 1.50 threads OR order the shift knob with our built-in Non-Threaded Insert with Set Screws
Dodge Nitro™ 2011 - automatic: Requires the Lou's Short Stick Dodge Charger 2006-14 & Challenger 2008-14 Automatic Shift Knob Adapter
Dodge Power Wagon™ Truck - 1974 - manual: 3/8-24
Dodge Power Wagon™ Truck - 1977 - automatic: Requires our Non-Threaded Shifter Adapter Kit
Dodge Ram™ Truck - 1997 - manual: 10mm x 1.50
Dodge Ram 2500™ Truck - 2006 - manual: 10mm x 1.50
Dodge Rampage™ 1982 to 1984 - manual: 7/16-14
Dodge Stealth™ - 1991 to 1996 manual: 10mm x 1.25
Dodge™ Truck - 1942 - manual 3 speed: 5/16 - 24
Dodge™ Truck - 1946 to 1955 - manual: 5/16 - 24
Dodge Viper™ Truck - manual with factory Hurst shifter 2004 to 2006: 10mm x 1.50
Dodge Viper™ - manual: 1/2 - 20
Ford Bronco™ - 1995 manual: Non-threaded, requires a non-threaded adapter kit, call for options
Ford F150™ - manual: Non-threaded, requires a non-threaded adapter kit, call for options
Ford Fairlane™: 1/2 - 20
Ford Falcon™: 1/2 - 20
Ford Focus™ - 2002-2012: 12mm x 1.25
Ford Focus™ - 2015 manual: 12mm x 1.25 Recessed for Reverse Lockout
Ford Fiesta™ - 2015 manual: 12mm x 1.25 Recessed for Reverse Lockout
Ford GT™ - manual 2005: 12mm x 1.75
Ford Grand Torino Sport™ - manual 1973 with factory Hurst shifter: 7/16-20
Ford Model A™ - 1929 to 1931: 5/16 - 24
Ford Mustang™ - manual 1964 to 1969: 1/2 - 20
Ford Mustang™ - manual 1979 to 1983: 10mm x 1.50
Ford Mustang™ - manual 1983 to 2004: 12mm x 1.75
Ford Mustang™ - manual 2005 to 2014: 12mm x 1.25
Ford Mustang™ - manual 2015 and newer: 12mm x 1.25 Recessed for Reverse Lockout
Ford Mustang GT350™ - manual 2015 and newer: 10mm x 1.25 Recessed for Reverse Lockout
Ford Mustang Shelby™ - manual 2007 to 2009 (factory installed): 12mm x 1.25
(Note: For Shelby American shifters see the Performance Aftermarket Shifters section listed above)
Ford Mustang Shelby™ - manual 2010 to 2014 (factory installed): 10mm x 1.25
Ford Mustang Shelby KR™ - manual 2008: 12mm x 1.75
Ford Mustang Shelby Super Snake™ - manual 2007: 12mm x 1.75
Ford Pantera™ - manual: 8mm x 1.25
Ford Ranger™: Non-threaded, requires a non-threaded adapter kit, call for options
Ford Probe™ - manual: 10mm x 1.25
Ford SVT Contour™: 1/2 - 20
Ford Thunderbird™ - 1957: 3/8 - 24
Ford Thunderbird™ - 1997: Requires our Universal Automatic Shifter Adapter
Ford Torino™ - manual 1972: 7/16 - 20
GMC Sonoma™ - 1992: 10mm x 1.50
GMC™ Truck - 1936 to 1946: 3/8 - 24
International Harvester Scout™ - 1970 800A 4 Speed: 1/2 - 20
International Harvester Scout™ - 1970 800A Transfer Case: 5/16-24
International Harvester Scout™ - 1975: 1/2 - 13
Jeep™ CJ3B Willys 1954: 5/16 - 24
Jeep™ CJ5, CJ6, CJ7, CJ8 varies depending on transmission: 5/16-24, 3/8-16, 3/8-24, 1/2-20
Jeep™ CJ5 1976-1979 Tremec T-150 3 speed with Dana 20: 5/16-24
Jeep Cherokee™: 10mm x 1.50
Jeep Comanche™ (MJ) '91: Non-threaded, requires a non-threaded adapter kit or a non-threaded insert
Jeep Commando™ 1973 3 Speed Manual: 5/16 - 18
Jeep Commando™ 1973 Transfer Case: 3/8 - 16
Jeep Compass™ - Manual: Requires a Speed Dawg Jeep Renegade Shift Knob Adapter 
Jeep Grand Cherokee SRT8 - automatic 2010: Requires the Lou's Short Stick Dodge Charger 2006-14 & Challenger 2008-14 Automatic Shift Knob Adapter
Jeep Laredo™ 1992: 10mm x 1.50
Jeep Patriot™ - 2009: Non-threaded, requires a non-threaded adapter kit or a non-threaded insert
Jeep Renegade™: Requires a Speed Dawg Jeep Renegade Shift Knob Adapter
Jeep Wrangler™ (YJ) 1986 - 1995: 3/8 - 16
Jeep Wrangler™ (TJ) 1997 - 2006: 10mm x 1.50
Jeep Wrangler™ (JK)- Manual 2007 - 2018: Non-threaded, requires our Non-Threaded Shifter Adapter Kit along with a shift knob that has 16mm x 1.50 threads OR order the shift knob with our built-in Non-Threaded Insert with Set Screws
Jeep Wrangler™ (JK) - Automatic 2007 - 2010: requires our Jeep Automatic Adapter 2007 - 2010
Jeep Wrangler™ (JK) - Automatic 2011 - 2018: requires our Jeep Automatic Adapter 2011 - 2018
Jeep Wrangler™ (JK) - Automatic Transfer Case Shifter 2011 - 2018: requires our Jeep Transfer Case Adapter 2011 - 2018
Jeep Wrangler™ (JL)- Manual 2018 and newer: Non-threaded, requires a Speed Dawg Jeep JL 2018 & Newer Shift Knob Adapter for Manual Transmission
Jeep Wrangler™ (JL)- Transfer Case for manual 2018 and newer: Non-threaded, requires a Speed Dawg Jeep JL 2018 & Newer Transfer Case Shift Knob Adapter
Jeep Wrangler™ (JL)- Automatic 2018 and newer: Non-threaded, requires a Speed Dawg Jeep JL 2018 & Newer Automatic Transmission Shift Knob Adapter
Mercury Cougar™ through 1967: 1/2 - 20
Mercury Cougar™ 1972 with Hurst factory shifter: 7/16-20
Oldsmobile 442™ Automatic 1968: 5/16-18
Oldsmobile 442™ Manual 1967-69: 3/8-24
Oldsmobile 442™ Manual 1970-72: 3/8-16
Plymouth™ through 1965: 3/8 - 24
Plymouth™ 1966 to 1968 Inland Shifter: 9/16-18 Recessed for Reverse Lockout
Plymouth Barracuda™: 9/16 - 18
Plymouth Duster™: 3/8-16
Plymouth PT Cruiser™: 3/8 - 16
Plymouth Prowler™ - automatic: Requires our Universal Automatic Shifter Adapter
Plymouth Valiant™: 3/8 - 24
Polaris Slingshot™: Requires our Polaris Slingshot Adapter
Pontiac Fiero™ - manual: 16mm x 1.50
Pontiac Firebird™ - manual 1967 to 1968: 5/16 - 18
Pontiac Firebird™ - manual 1970 to 1981: 3/8 - 16
Pontiac Firebird™ - manual 1982 to 2002: 16mm x 1.50
Pontiac GTO™ - automatic floor shifter 1967: 3/8-16
Pontiac GTO™ - manual '04-'06: Non-threaded, requires a non-threaded adapter insert w/ set screws
Pontiac Tempest™ 4 speed: 3/8 - 16
Saturn™ - manual: Non-threaded, requires a non-threaded adapter kit, call for options

Import Vehicles

Acura™ - manual: 10mm x 1.50
Alfa Romeo™ - manual: Non-threaded, requires a non-threaded adapter kit, call for options
Audi™: 12mm x 1.50
Austin Healy™ - 6 cylinder: 3/8 - 16
BMW™: Non-threaded, requires a non-threaded adapter kit, call for options
Datsun™ 240Z, 260Z, 280Z - manual: 8mm x 1.25
Datsun™ 300ZX - manual: 10mm x 1.25
Fiat 500™ - 2012 manual:  Non-threaded, requires a non-threaded adapter kit, call for options
Fiat Spider™ - 2017 manual: 10mm x 1.25
Ferrari™ - manual: 10mm x 1.25
Geo Storm™ - manual: 10mm x 1.25
Geo Tracker­­­­™ - manual: 12mm x 1.25
Honda™ - manual: 10mm x 1.50
Honda Pilot™ - automatic (column): 12mm x 1.25
Hyundai™ - manual to 2013: 10mm x 1.25
Hyundai™ - manual 2014 and newer: Non-Threaded
Isuzu Impulse™ - manual: 10mm x 1.25
Jaguar™ - manual through 1964: 5/16 - 18
Jaguar™ - manual: 8mm x 1.25
Jaguar X-Type™ - 2002 5 speed manual: 12mm x 1.25
Kia Forte™ - manual: 10mm x 1.25
Kia Soul™ - manual: 10mm x 1.25
Lamborghini Gallardo™ - 2005: 10mm x 1.50
Land Rover™ Defender 90 North American Spec. - 1994 to 1997 manual: 13mm x 1.25
Lexus™ - automatic: 8mm x 1.25
Lexus™ - manual: 12mm x 1.25
Lotus Elise™ - 2005 to Jan. 2009: 10mm x 1.50
Lotus Elise™ - after Jan. 2009: 12mm x 1.50
Lotus Exige™ - 2005 to Jan. 2009: 10mm x 1.50
Lotus Exige™ - after Jan. 2009: 12mm x 1.50
Mazda™ - most models - automatic: 8mm x 1.25
Mazda™ - most models - manual: 10mm x 1.25
Mazda Miata™ - manual: 10mm x 1.25
Mazda RX7™ - 1988 to 1992 manual: 12mm x 1.50
MG Midget™ & 1100 Sedan: 5/16 - 18
MGB™: 3/8 - 16
Mitsubishi™ - manual: 10mm x 1.25
Mini Cooper™ - 1959 - 2000 manual: 5/16-18
Mini Cooper™ - 2001 and Newer manual: Non-threaded, requires a non-threaded adapter kit, call for options
Nissan™ - most models - manual: 10mm x 1.25
Subaru™ - automatic: 10mm x 1.25
Subaru™ - manual: 12mm x 1.25
Suzuki Samari™ - manual: 12mm x 1.25
Toyota™ - most models - automatic: 8mm x 1.25
Toyota™ - most models - manual: 12mm x 1.25
Toyota 4 Runner™ - automatic: 8mm x 1.25
Toyota Avalon™ - automatic: 8mm x 1.25
Toyota Camry™ - manual: 12mm x 1.25
Toyota Celica™ - manual: 12mm x 1.25
Toyota Corolla™ - automatic: 8mm x 1.25
Toyota Corolla™ - manual: 12mm x 1.25
Toyota Scion™ - manual: 12mm x 1.25
Toyota Supra™ - manual: 12mm x 1.25
Toyota Tacoma™ - manual: 12mm x 1.25
Toyota Tundra™ - manual: 12mm x 1.25
Toyota Yaris™ - manual: 12mm x 1.25
Truimph Spitfire™ - manual '76: 5/16-18
Truimph TR4™ - manual '64: 7/16-32
Truimph TR6™ - manual '76: 5/16-18
Volkswagon Beetle™ '64 to '68: 7mm x 1.00
Volkswagon Beetle™ after '68: 12mm x 1.50
Volkswagon Ghia™ after '68: 12mm x 1.50
Volkswagon Golf™: 12mm x 1.50
Volkswagon Jetta™: 12mm x 1.50
Volkswagon Rabbit™: 12mm x 1.50
Volkswagon Vanagon™ '85 and older: 12mm x 1.50
Volkswagon Vanagon™ '86 to '91: 14mm x 1.50
Volvo™ 140 Series: 3/8 - 16

Shift Knob Adapter Installation Instructions:

WARNING: DO NOT ALLOW SHIFT KNOB TO "BOTTOM OUT" ON SHIFTER SHAFT. THIS COULD CAUSE INTERNAL DAMAGE WHICH COULD CAUSE THE SHIFT KNOB TO RATTLE OR BREAK.
ALWAYS SECURE SHIFT KNOB USING A JAM NUT OR BOOT RETAINER.

Shift Knob Installation Instructions with Brass Adapter and Jam Nut

1. Determine correct Adapter and Jam Nut size.
2. Clean all threads prior to installation
CAUTION - DO NOT PUT ADAPTER DIRECTLY INTO SHIFT KNOB
3. Thread (silver) Jam Nut onto shifter until no more than 3/4" of threads are visible above Jam Nut.
4. Place flat washer on shifter above Jam Nut (for smaller shifter diameters only)
5. Thread (brass) Adapter onto shifter until it touches the Jam Nut (or flat washer)
6. Install Shift Knob onto Adapter until it becomes snug.
CAUTION - DO NOT OVER-TIGHTEN
7. Turn knob counter-clockwise until graphics are in desired position
8. Turn Jam Nut counter-clockwise until it is tight against bottom of Adapter.
WARNING: DO NOT ALLOW SHIFT KNOB TO "BOTTOM OUT" ON SHIFTER SHAFT.
DAMAGE COULD RESULT WHICH IS NOT COVERED BY WARRANTY.
Contact Speed Dawg LLC with any technical questions toll free 1-866-906-7801 or 1-717-741-2665.