Original Street Twin: Steel: Chevrolet 55-85 SBC: 70-90 BBC: 1-3/8 x 10: 168T: Aftermarket Transmission
Original Street Twin - Rated up to 1200 HP, this clutch system is perfect for high horsepower street cars applications. Designed for vehicles with superchargers, turbochargers, NOS or big cubic inch engines. Available with either organic or ceramic discs. Performance aluminum or steel flywheel included with the Original Street Twin system.
- • Street Twin.
• Street Friendly.
• Ceramic or Organic Discs.
• Strap Drive.
• Flywheel Included.
Information:
Additional Counter Weight Kit Required
Application Summary:
| Year |
Make/Model |
| 1957-1973 |
Chevrolet Bel Air |
| 1958-1972 |
Chevrolet Biscayne |
| 1969-1974 |
Chevrolet Blazer |
| 1969-1972 |
Chevrolet Brookwood |
| 1975-1985 |
Chevrolet C10 |
| 1967-1984 |
Chevrolet C10 Suburban |
| 1982-1985 |
Chevrolet C15 |
| 1975-1985 |
Chevrolet C20 |
| 1967-1984 |
Chevrolet C20 Suburban |
| 1975-1985 |
Chevrolet C30 |
| 1983-1985 |
Chevrolet C35 |
| 1967-1985 |
Chevrolet Camaro |
| 1966-1972 |
Chevrolet Caprice |
| 1964-1977 |
Chevrolet Chevelle |
| 1963-1967 |
Chevrolet Chevy II |
| 1957-1981 |
Chevrolet Corvette |
| 1984-1985 |
Chevrolet Corvette |
| 1958 |
Chevrolet Del Ray |
| 1959-1960 |
Chevrolet El Camino |
| 1964-1981 |
Chevrolet El Camino |
| 1975-1985 |
Chevrolet G10 |
| 1975-1985 |
Chevrolet G20 |
| 1967-1974 |
Chevrolet G20 Van |
| 1975-1985 |
Chevrolet G30 |
| 1958-1973 |
Chevrolet Impala |
| 1975-1985 |
Chevrolet K10 |
| 1967-1984 |
Chevrolet K10 Suburban |
| 1975-1985 |
Chevrolet K20 |
| 1967-1984 |
Chevrolet K20 Suburban |
| 1977-1985 |
Chevrolet K30 |
| 1975-1985 |
Chevrolet K5 Blazer |
| 1969-1971 |
Chevrolet Kingswood |
| 1975 |
Chevrolet Malibu |
| 1978-1981 |
Chevrolet Malibu |
| 1970-1979 |
Chevrolet Monte Carlo |
| 1981 |
Chevrolet Monte Carlo |
| 1976-1979 |
Chevrolet Monza |
| 1958-1961 |
Chevrolet Nomad |
| 1969-1979 |
Chevrolet Nova |
| 1957 |
Chevrolet One-Fifty Series |
| 1975 |
Chevrolet P10 |
| 1977-1979 |
Chevrolet P10 |
| 1975-1985 |
Chevrolet P20 |
| 1975-1985 |
Chevrolet P30 |
| 1957-1958 |
Chevrolet Sedan Delivery |
| 1969-1971 |
Chevrolet Townsman |
| 1957-1958 |
Chevrolet Truck |
| 1957 |
Chevrolet Two-Ten Series |
| 1958 |
Chevrolet Yeoman |
| Attributes |
| Alignment Tool Included |
Yes |
| Application |
Chevrolet 1955-85 SBC; 1970-2006 BBC |
| Clutch Disc Quantity |
2 |
| Clutch Usage |
Performance |
| Counter Weight Kit if Required |
560222 (sold separately) |
| Counterweight Assist |
No |
| Country of Origin (Primary) |
US |
| Crankshaft to Flywheel Bolt Quantity |
6-bolt |
| Disc Diameter |
10.5In. |
| Disc Diameter (in) |
10.5" |
| Disc Diameter (in.) |
10.500 |
| Disc Material |
Organic |
| Disc Style |
Full Face, Full face |
| Emission Code |
Legal US |
| Engine Balance |
Internal |
| External Balance Weight Kit |
560222 |
| Flywheel Included |
Yes, Yes |
| Flywheel Material |
Steel, Billet steel |
| Hardware Included |
Yes, Yes |
| Harmonized Tariff Code (Schedule B) |
8708935000 |
| Hazardous Material Code |
N |
| Horsepower Rating |
1200, 1200 |
| Hub |
Solid |
| Hub Style |
Solid |
| Input Shaft Diameter (in.) |
1.375 |
| Input Spline Quantity |
10 |
| Inputshaft Diameter & Splline |
1-3/8 x 10 |
| Life Cycle Status Code |
Available to Order |
| Make |
Chevrolet |
| NAFTA Preference Criterion Code |
B |
| Note |
also fits 1991-2022 crate BBC 1pc Seal large crank flange |
| Note 2 |
Aftermarket Transmission |
| NOTE 2: |
This unit comes with a aftermarket spline input-shaft that is not standard for this application. For more info please call McLeod Tech at 714-630-2764 |
| NOTE 3: |
This unit comes with a aftermarket spline input-shaft that is not standard for this application. For more info please call McLeod Tech at 714-630-2764 |
| NOTE: |
The Clutch will not work with mechanical linkage. You must run our internal hydraulic bearing. Give McLeod Tech a call at 714-630-2764 for more info. |
| Number of Discs |
Double |
| Pilot Bushing Included |
No, No |
| Pilot Bushing Material |
N/A |
| Pressure Plate Style |
Diaphragm, Diaphragm |
| Quantity |
Sold as a kit. |
| Rear Main Seal Style |
2-piece |
| Ring Gear |
168T |
| Ring Gear Tooth Quantity |
168-tooth |
| SDR Required Flag |
N |
| SDS Sheet Number |
N/A |
| Spline |
1-3/8 x 10 |
| Throwout Bearing Included |
No, No |
| Warranty Time |
90 |
| GTIN |
00887753675385 |
