McLeod Original Street Twins Clutch & Flywheel Kit – Aluminum, Chevrolet 55-85 SBC, 70-90 BBC (6300107)
008877536738864 interest-free payments or as low as $—/mo with Affirm. See if you qualify
Compatibility
- Platform
- Universal
- Vehicle-specific fitment
- Review application details below
- Need help?
- Confirm fitment with us before ordering — (714) 202-7886
We list the engine platform a part is built for. That is not year-and-trim application data, so it does not confirm a fit on your specific vehicle.
- Est. install labor: 10.0 hrs — $1,250 at $125/hr. Pick Install at HRC and a 20% labor deposit ($250) is due at checkout; the balance is due at completion.
- An estimate for a stock vehicle, not a quote — we confirm it in writing when you book, before any labor is authorized. Seized hardware, prior modifications, diagnosis and machine work are quoted separately; tuning is arranged through our tuning partner. Questions: (714) 202-7886.
- Warranty & track disclaimer — read before you race it.
- Shipping & returns — rates and RMA terms.
- Installed in-house in Huntington Beach, CA — labor & service policy.
- Affirm and PayPal available at checkout.
More ways to pay at checkout
Original Street Twin: Aluminum: Chevrolet 55-85 SBC: 70-90 BBC: 1-1/8 x 26: 168T
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
| Part Type | Transmission Clutch and Flywheel Kit |
|---|---|
| Disc Diameter (in.) | 10.500 |
| Input Shaft Diameter (in.) | 1.125 |
| Input Spline Quantity | 26 |
| Disc Material | Organic |
| Pressure Plate Style | Diaphragm |
| Hardware Included | Yes |
| Counterweight Assist | No |
| Hub Style | Solid |
| Alignment Tool Included | Yes |
| Clutch Disc Quantity | 2 |
| Disc Style | Full face |
| Clutch Usage | Performance |
| Throwout Bearing Included | No |
| Pilot Bushing Included | No |
| Flywheel Included | Yes |
| Flywheel Material | Billet aluminum |
| Engine Balance | Internal |
| Horsepower Rating | 1200 |
| Ring Gear Tooth Quantity | 168-tooth |
| Crankshaft to Flywheel Bolt Quantity | 6-bolt |
| Quantity | Sold as a kit. |
| Rear Main Seal Style | 2-piece |
| Counter Weight Kit if Required | 560222 (sold separately) |
Verified fitment — 2,121 applications
- Chevrolet
- Bel Air 1957–1967 (4.6L)
- Bel Air 1962–1969 (5.3L)
- Bel Air 1963–1969 (7.0L)
- Bel Air 1965–1969 (6.5L)
- Bel Air 1968 (5.0L)
- Bel Air 1969–1973 (5.7L)
- Bel Air 1970–1973 (7.4L)
- Bel Air 1970–1973 (6.6L)
- Biscayne 1958–1967 (4.6L)
- Biscayne 1962–1969 (5.3L)
- Biscayne 1963–1969 (7.0L)
- Biscayne 1965–1969 (6.5L)
- Biscayne 1968 (5.0L)
- Biscayne 1969–1972 (5.7L)
- Biscayne 1970–1972 (7.4L)
- Biscayne 1970–1972 (6.6L)
- Blazer 1969–1974 (5.7L)
- Blazer 1969–1973 (5.0L)
- Blazer 1973–1974 (7.4L)
- Brookwood 1969 (6.5L)
- Brookwood 1969 (7.0L)
- Brookwood 1969 (5.3L)
- Brookwood 1969–1972 (5.0L)
- Brookwood 1969–1972 (5.7L)
- Brookwood 1970–1972 (7.4L)
- Brookwood 1970–1972 (6.6L)
- C10 1975–1985 (5.7L)
- C10 1975–1980 (7.4L)
- C10 1976–1980 (6.6L)
- C10 1977–1985 (5.0L)
- C10 Suburban 1967 (4.6L)
- C10 Suburban 1967–1969 (5.3L)
- C10 Suburban 1968–1984 (5.0L)
- C10 Suburban 1968–1969 (6.5L)
- C10 Suburban 1969–1984 (5.7L)
- C10 Suburban 1973–1980 (7.4L)
- C15 1982–1985 (5.7L)
- C20 1975–1985 (7.4L)
- C20 1975–1985 (5.7L)
- C20 1976–1980 (6.6L)
- C20 1977–1985 (5.0L)
- C20 Suburban 1967 (4.6L)
- C20 Suburban 1967–1969 (5.3L)
- C20 Suburban 1968–1984 (5.0L)
- C20 Suburban 1968–1969 (6.5L)
- C20 Suburban 1969–1984 (5.7L)
- C20 Suburban 1973–1984 (7.4L)
- C20 Suburban 1976–1980 (6.6L)
- C30 1975–1985 (7.4L)
- C30 1975–1985 (5.7L)
- C30 1976–1978 (6.6L)
- C30 1978 (5.0L)
- C35 1983–1985 (5.7L)
- Camaro 1967–1969 (6.5L)
- Camaro 1967–1969 (4.9L)
- Camaro 1967–1981 (5.7L)
- Camaro 1967–1969 (5.3L)
- Camaro 1969 (7.0L)
- Camaro 1969–1985 (5.0L)
- Caprice 1966–1967 (4.6L)
Showing top 60 model lines; 2,121 total applications. See full fitment guide.
Ford & GM applications shown (ACES-verified). Confirm exact trim before purchase.
| Part No. | 6300107 |
|---|---|
| Brand | McLeod Racing |
| Part Type | Transmission Clutch and Flywheel Kit |
| Weight | 42 lb |
| UPC | 00887753673886 |
Platform-level fitment (Ford + GM, Phase 1). We publish the engine platform a part is built for — not year-and-trim application data — so nothing here confirms a fit on a specific vehicle. Confirm fitment with us before ordering: (714) 202-7886.