Just in case that site ever goes down, here's the OEM stuff...
OEM
Type Sizes
BMW X5 ™ (2004 & up automatic) 12mm x 1.50
Chevrolet Camaro ™ 5 & 6 Speed (manual) 16mm x 1.50
Chevrolet Corvette ™ 6 speed (1989-2004) 9/16 - 18
Chrysler 300 ™ (automatic) 8mm x 1.25
Chrysler R/T ™ (newer automatic) 8mm x 1.25
Chrysler SRT ™ 8 (automatic) 8mm x 1.25
Dodge Viper ™ (manual) 1/2 - 20
Dodge Magnum ™ (manual) 8mm x 1.25
Ford ™ 28-48 (manual) 5/16 - 18 or 5/16 - 24
Ford Cobra ™ (1989 manual) 3/8
Ford Mustang ™ (manual) 12mm x 1.75
Ford Mustang ™ (Newer manual) 12mm x 1.25
Honda ™ (manual) 10mm x 1.50
Jeep CJ ™ (1955-1986 manual) 3/8 - 24
Jeep Wrangler ™ (1955-1986 manual) 3/8 - 24
Mazda ™ (manual) 10mm x 1.25
Mitsubishi ™ (manual) 10mm x 1.25
Nissan ™ (manual) 10mm x 1.25
Pontiac Firebird ™ 5 & 6 speed (manual) 16mm x 1.50
Subaru ™ (manual) 12mm x 1.25
Toyota ™ (most manual) 12mm x 1.25
Toyota Tacoma ™ (manual) 12mm x 1.50
VW ™ Bug & Bus (before 1968 manual) 8mm x 1.50
VW ™ Bug & Bus (since 1968 manual) 10mm x 1.50
U.S. Automobiles
Vehicle Gearbox Threads
Camaro 1983-96 Manual Gearbox 16mm X 1.50
Camaro 1967-2002 Manual Gearbox 16mm X 1.50
Chevy Camaro,RS,Z-28 1986-2002 Manual Gearbox 6mm X 1.50
Chevy & GMC Truck 1936-1946 Manual Gearbox 3/8 X 24
Chevy Truck 1967-1972 Manual Gearbox 3/8 X 24
Chevy Older Models “1950s” Manual Gearbox 3/8 X 24
Corvette 1984-2004 Manual Gearbox 9/16 X 18
Corvette C4 1995-96 Manual Gearbox 9/16 X 18
ZF 6-speed + C5 Manual Gearbox 9/16 X 18
Corvette 1968 to 1982 Manual Gearbox 9/16 X 18
Dodge Magnum 2005-06 Manual Gearbox 8mm X 1.25
Newer R/Ts Manual Gearbox 8mm X 1.25
Chrysler 300s Manual Gearbox 8mm X 1.25
Chrysler SRT 8’s Manual Gearbox 8mm X 1.25
Dodge Viper Manual Gearbox ½ X 20
Mustang 1964-69 (Most Models) Manual Gearbox ½ X 20
Mustang 1979-2004 (Most Models) Manual Gearbox 12mm X 1.75
Ford Mustang 1994-2004 Borg-Warner T5 12mm X 1.75
Ford Cobra & Mustang 1999 Manual Gearbox 12mm X 1.75
Ford SVT Contour Manual Gearbox ½ X 20
Ford Ranger XLT Manual Gearbox 5/8 Splined
Ford F-150 1993 and 2000 Manual Gearbox 5/8 Splined
Ford Probe Manual Gearbox 10 X 1.25
Ford Escort LX Manual Gearbox 10 X 1.25
Ford Older Models 1950s Manual Gearbox 5/16 X 24
Jeep Wrangler 1987 - 2004 Manual Gearbox 3/8 X 16, 10mm X 1.50
Jeep Wrangler TJ & Unlimited ‘97-’06 Manual Gearbox 10mm X 1.50
Jeep ‘55 - ‘86 CJ5/CJ6/CJ7/CJ8 Scrambler Manual Gearbox 3/8 X 24
55-83 Jeep CJ-5 Manual Gearbox 3/8 X 24
55-75 Jeep CJ-6 Manual Gearbox 3/8 X 24
76-86 Jeep CJ-7 Manual Gearbox 3/8 X 24
81-85 Jeep CJ-8 Manual Gearbox 3/8 X 24
76-83 Jeep CJ-5 Manual Gearbox 3/8 X 24
76-86 Jeep CJ-7 Manual Gearbox 3/8 X 16
81-85 Jeep CJ-8 Manual Gearbox 3/8 X 16
87-95 Jeep Wrangler (YJ) Manual Gearbox 3/8 X 16
97-06 Jeep Wrangler (TJ) Manual Gearbox 10mm X 1.50
04-06 Jeep Wrangler Manual Gearbox 10mm X 1.50
Unlimited (TJ) Manual Gearbox 10mm X 1.50
Jaguar XJ6 1995-97 Manual Gearbox 8mm X 1.25
Jaguar X-Type/XJ8/XK8 Manual Gearbox 8mm X 1.25
Jag XJ-S 4.0L (from mid-1996,vin221855-on) Manual Gearbox 8mm X 1.25
Jag XJ-S 6.0L (from mid-1993,vin188700-on) Manual Gearbox 8mm X 1.25
Pontiac Firebird 1983 - 96 Manual Gearbox 16mm X 1.50
Pontiac Fiero Manual Gearbox 16mm X 1.50
PT Cruiser Manual w/ Kustom Kruzr Adapter 3/8 X 16 threads
Harley Davidson & Indian Motorcycle 3/8 X 24
Import Auto with Original Manual Gearbox
Vehicle Gearbox Threads
Acura Manual Gearbox 10mm X 1.50
BMW-325 Manual Gearbox 15mm X 1.50
Honda Models Manual Gearbox 10mm X 1.50
Hundai Excel GL Manual Gearbox 10mm X 1.25
Hundai Accent Manual Gearbox 10mm X 1.25
Geo tracker Manual Gearbox 12mm X 1.25
Geo Storm Manual Gearbox 10mm X 1.25
Mazda Miata All Years Manual Gearbox 10mm X 1.25
Mazda RX-8 RX-7 Manual Gearbox 10mm X 1.25
Mazda Models Manual Gearbox 10mm X 1.25
Mitsubishi lancer/evolution/eclipse Manual Gearbox 10mm X 1.25
Mitsubishi Jeep SUV Manual Gearbox 10mm X 1.25
Miata Manual Gearbox 10mm X 1.25
Nissan Skyline (R34)* Manual Gearbox 12mm X 1.25
Nissan Frontier Manual Gearbox 10mm X 1.25
Nissan Sentra Manual Gearbox 10mm X 1.25
Nissan Maxima Manual Gearbox 10mm X 1.25
Nissan 350Z Manual Gearbox 10mm X 1.25
Nissan (Most Models) Manual Gearbox 10mm X 1.25
Datsun 300ZX (Nissan) Manual Gearbox 10mm X 1.25
Datsun 280ZX Manual Gearbox 8mm X 1.25
Datsun Older Hatchback Manual Gearbox 8mm X 1.25
Datsun (2000’s & 67 1/2 -70 1600’s) Manual Gearbox 8mm X 1.25
(SPL311-11001 up) Manual Gearbox
Isuzu Impulse Manual Gearbox 10mm X 1.25
Subaru Models (Susuki-Impreza Manual Gearbox 12mm X 1.25
Susuki Samurai Manual Gearbox 12mm X 1.25
Toyota Supra 1993 -98 (JZ)* Manual Gearbox 12mm X 1.25
Toyota MR2 1991-95 (SW20)* Manual Gearbox 12mm X 1.25
Toyota Corrola Manual Gearbox 12mm X 1.25
Toyota Celica-Tercel Manual Gearbox 12mm X 1.25
Toyota Camry Manual Gearbox 12mm X 1.25
Toyota Trucks Manual Gearbox 12mm X 1.25
Toyota (Most Models) Manual Gearbox 12mm X 1.25
Ferrari 206,246,308,328,348 Manual Gearbox 10mm X 1.25
Ferrari Testarossa Manual Gearbox 10mm X 1.25
Scion xA xB and tC Manual Gearbox 12mm X 1.25
Scion tC and xB 2008 only Automatic 8mm X 1.25
VOLKSWAGEN
Vehicle Gearbox Threads
Beetle 1952 - 61 Manual Gearbox 10mm X 1.50
Beetle 1962 - 67 Manual Gearbox 7mm X 1.0
Beetle 1968 - 79 Manual Gearbox 12mm X 1.50
Ghia 1956 - 61 Manual Gearbox 10mm X 1.50
Ghia 1962 - 67 Manual Gearbox 7mm X 1.0
Ghia 1968 - 74 Manual Gearbox 12mm X 1.50
Bus 1952 - 67 Manual Gearbox 10mm X 1.50
Bus 1968 - 79 Manual Gearbox 12mm X 1.50
Thing 1973 - 74 Manual Gearbox 12mm X 1.50
Type 3 1962 - 74 Manual Gearbox 12mm X 1.50
VW Rabbit Manual Gearbox 12mm X 1.50
VW Jetta Manual Gearbox 12mm X 1.50
VW Golf Manual Gearbox 12mm X 1.50
Volkswagen 1980 - Up (Most models) Manual Gearbox 12mm X 1.50
Volkswagen Vanagon 1984 to 1991 Manual Gearbox 14mm X 1.50
EMPI & Hurst Trigger Shifters Manual Gearbox 3/8 X 24
SCAT Shifter Manual Gearbox 3/8 X 16
OEM
Type Sizes
BMW X5 ™ (2004 & up automatic) 12mm x 1.50
Chevrolet Camaro ™ 5 & 6 Speed (manual) 16mm x 1.50
Chevrolet Corvette ™ 6 speed (1989-2004) 9/16 - 18
Chrysler 300 ™ (automatic) 8mm x 1.25
Chrysler R/T ™ (newer automatic) 8mm x 1.25
Chrysler SRT ™ 8 (automatic) 8mm x 1.25
Dodge Viper ™ (manual) 1/2 - 20
Dodge Magnum ™ (manual) 8mm x 1.25
Ford ™ 28-48 (manual) 5/16 - 18 or 5/16 - 24
Ford Cobra ™ (1989 manual) 3/8
Ford Mustang ™ (manual) 12mm x 1.75
Ford Mustang ™ (Newer manual) 12mm x 1.25
Honda ™ (manual) 10mm x 1.50
Jeep CJ ™ (1955-1986 manual) 3/8 - 24
Jeep Wrangler ™ (1955-1986 manual) 3/8 - 24
Mazda ™ (manual) 10mm x 1.25
Mitsubishi ™ (manual) 10mm x 1.25
Nissan ™ (manual) 10mm x 1.25
Pontiac Firebird ™ 5 & 6 speed (manual) 16mm x 1.50
Subaru ™ (manual) 12mm x 1.25
Toyota ™ (most manual) 12mm x 1.25
Toyota Tacoma ™ (manual) 12mm x 1.50
VW ™ Bug & Bus (before 1968 manual) 8mm x 1.50
VW ™ Bug & Bus (since 1968 manual) 10mm x 1.50
U.S. Automobiles
Vehicle Gearbox Threads
Camaro 1983-96 Manual Gearbox 16mm X 1.50
Camaro 1967-2002 Manual Gearbox 16mm X 1.50
Chevy Camaro,RS,Z-28 1986-2002 Manual Gearbox 6mm X 1.50
Chevy & GMC Truck 1936-1946 Manual Gearbox 3/8 X 24
Chevy Truck 1967-1972 Manual Gearbox 3/8 X 24
Chevy Older Models “1950s” Manual Gearbox 3/8 X 24
Corvette 1984-2004 Manual Gearbox 9/16 X 18
Corvette C4 1995-96 Manual Gearbox 9/16 X 18
ZF 6-speed + C5 Manual Gearbox 9/16 X 18
Corvette 1968 to 1982 Manual Gearbox 9/16 X 18
Dodge Magnum 2005-06 Manual Gearbox 8mm X 1.25
Newer R/Ts Manual Gearbox 8mm X 1.25
Chrysler 300s Manual Gearbox 8mm X 1.25
Chrysler SRT 8’s Manual Gearbox 8mm X 1.25
Dodge Viper Manual Gearbox ½ X 20
Mustang 1964-69 (Most Models) Manual Gearbox ½ X 20
Mustang 1979-2004 (Most Models) Manual Gearbox 12mm X 1.75
Ford Mustang 1994-2004 Borg-Warner T5 12mm X 1.75
Ford Cobra & Mustang 1999 Manual Gearbox 12mm X 1.75
Ford SVT Contour Manual Gearbox ½ X 20
Ford Ranger XLT Manual Gearbox 5/8 Splined
Ford F-150 1993 and 2000 Manual Gearbox 5/8 Splined
Ford Probe Manual Gearbox 10 X 1.25
Ford Escort LX Manual Gearbox 10 X 1.25
Ford Older Models 1950s Manual Gearbox 5/16 X 24
Jeep Wrangler 1987 - 2004 Manual Gearbox 3/8 X 16, 10mm X 1.50
Jeep Wrangler TJ & Unlimited ‘97-’06 Manual Gearbox 10mm X 1.50
Jeep ‘55 - ‘86 CJ5/CJ6/CJ7/CJ8 Scrambler Manual Gearbox 3/8 X 24
55-83 Jeep CJ-5 Manual Gearbox 3/8 X 24
55-75 Jeep CJ-6 Manual Gearbox 3/8 X 24
76-86 Jeep CJ-7 Manual Gearbox 3/8 X 24
81-85 Jeep CJ-8 Manual Gearbox 3/8 X 24
76-83 Jeep CJ-5 Manual Gearbox 3/8 X 24
76-86 Jeep CJ-7 Manual Gearbox 3/8 X 16
81-85 Jeep CJ-8 Manual Gearbox 3/8 X 16
87-95 Jeep Wrangler (YJ) Manual Gearbox 3/8 X 16
97-06 Jeep Wrangler (TJ) Manual Gearbox 10mm X 1.50
04-06 Jeep Wrangler Manual Gearbox 10mm X 1.50
Unlimited (TJ) Manual Gearbox 10mm X 1.50
Jaguar XJ6 1995-97 Manual Gearbox 8mm X 1.25
Jaguar X-Type/XJ8/XK8 Manual Gearbox 8mm X 1.25
Jag XJ-S 4.0L (from mid-1996,vin221855-on) Manual Gearbox 8mm X 1.25
Jag XJ-S 6.0L (from mid-1993,vin188700-on) Manual Gearbox 8mm X 1.25
Pontiac Firebird 1983 - 96 Manual Gearbox 16mm X 1.50
Pontiac Fiero Manual Gearbox 16mm X 1.50
PT Cruiser Manual w/ Kustom Kruzr Adapter 3/8 X 16 threads
Harley Davidson & Indian Motorcycle 3/8 X 24
Import Auto with Original Manual Gearbox
Vehicle Gearbox Threads
Acura Manual Gearbox 10mm X 1.50
BMW-325 Manual Gearbox 15mm X 1.50
Honda Models Manual Gearbox 10mm X 1.50
Hundai Excel GL Manual Gearbox 10mm X 1.25
Hundai Accent Manual Gearbox 10mm X 1.25
Geo tracker Manual Gearbox 12mm X 1.25
Geo Storm Manual Gearbox 10mm X 1.25
Mazda Miata All Years Manual Gearbox 10mm X 1.25
Mazda RX-8 RX-7 Manual Gearbox 10mm X 1.25
Mazda Models Manual Gearbox 10mm X 1.25
Mitsubishi lancer/evolution/eclipse Manual Gearbox 10mm X 1.25
Mitsubishi Jeep SUV Manual Gearbox 10mm X 1.25
Miata Manual Gearbox 10mm X 1.25
Nissan Skyline (R34)* Manual Gearbox 12mm X 1.25
Nissan Frontier Manual Gearbox 10mm X 1.25
Nissan Sentra Manual Gearbox 10mm X 1.25
Nissan Maxima Manual Gearbox 10mm X 1.25
Nissan 350Z Manual Gearbox 10mm X 1.25
Nissan (Most Models) Manual Gearbox 10mm X 1.25
Datsun 300ZX (Nissan) Manual Gearbox 10mm X 1.25
Datsun 280ZX Manual Gearbox 8mm X 1.25
Datsun Older Hatchback Manual Gearbox 8mm X 1.25
Datsun (2000’s & 67 1/2 -70 1600’s) Manual Gearbox 8mm X 1.25
(SPL311-11001 up) Manual Gearbox
Isuzu Impulse Manual Gearbox 10mm X 1.25
Subaru Models (Susuki-Impreza Manual Gearbox 12mm X 1.25
Susuki Samurai Manual Gearbox 12mm X 1.25
Toyota Supra 1993 -98 (JZ)* Manual Gearbox 12mm X 1.25
Toyota MR2 1991-95 (SW20)* Manual Gearbox 12mm X 1.25
Toyota Corrola Manual Gearbox 12mm X 1.25
Toyota Celica-Tercel Manual Gearbox 12mm X 1.25
Toyota Camry Manual Gearbox 12mm X 1.25
Toyota Trucks Manual Gearbox 12mm X 1.25
Toyota (Most Models) Manual Gearbox 12mm X 1.25
Ferrari 206,246,308,328,348 Manual Gearbox 10mm X 1.25
Ferrari Testarossa Manual Gearbox 10mm X 1.25
Scion xA xB and tC Manual Gearbox 12mm X 1.25
Scion tC and xB 2008 only Automatic 8mm X 1.25
VOLKSWAGEN
Vehicle Gearbox Threads
Beetle 1952 - 61 Manual Gearbox 10mm X 1.50
Beetle 1962 - 67 Manual Gearbox 7mm X 1.0
Beetle 1968 - 79 Manual Gearbox 12mm X 1.50
Ghia 1956 - 61 Manual Gearbox 10mm X 1.50
Ghia 1962 - 67 Manual Gearbox 7mm X 1.0
Ghia 1968 - 74 Manual Gearbox 12mm X 1.50
Bus 1952 - 67 Manual Gearbox 10mm X 1.50
Bus 1968 - 79 Manual Gearbox 12mm X 1.50
Thing 1973 - 74 Manual Gearbox 12mm X 1.50
Type 3 1962 - 74 Manual Gearbox 12mm X 1.50
VW Rabbit Manual Gearbox 12mm X 1.50
VW Jetta Manual Gearbox 12mm X 1.50
VW Golf Manual Gearbox 12mm X 1.50
Volkswagen 1980 - Up (Most models) Manual Gearbox 12mm X 1.50
Volkswagen Vanagon 1984 to 1991 Manual Gearbox 14mm X 1.50
EMPI & Hurst Trigger Shifters Manual Gearbox 3/8 X 24
SCAT Shifter Manual Gearbox 3/8 X 16