McLeod Original Street Twins Clutch & Flywheel Kit – Aluminum, Chevrolet 1986-99 SBC, 1-1/8 x 10 (6300404)
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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 1986-99 SBC: 1-1/8 x 10: 153T
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 | 10 |
| 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 | 153-tooth |
| Crankshaft to Flywheel Bolt Quantity | 6-bolt |
| Quantity | Sold as a kit. |
| Rear Main Seal Style | 1-piece |
| Counter Weight Kit if Required | 560222 (sold separately) |
Verified fitment — 1,162 applications
- Chevrolet
- Blazer 1987–1994 (5.7L)
- Blazer 1987 (5.0L)
- C10 1986 (5.7L)
- C10 1986 (5.0L)
- C1500 1988–1998 (5.0L)
- C1500 1988–1998 (5.7L)
- C20 1986 (5.0L)
- C20 1986 (5.7L)
- C2500 1988–1999 (5.7L)
- C2500 1988–1999 (5.0L)
- C30 1986 (5.7L)
- C3500 1988–1999 (5.7L)
- Camaro 1986–1992 (5.0L)
- Camaro 1987–1992 (5.7L)
- Corvette 1986–1988 (5.7L)
- G10 1986–1990 (5.7L)
- G10 1986–1990 (5.0L)
- G20 1986–1990 (5.7L)
- G20 1986–1990 (5.0L)
- G30 1986–1990 (5.7L)
- K10 1986 (5.0L)
- K10 1986 (5.7L)
- K1500 1988–1998 (5.0L)
- K1500 1988–1998 (5.7L)
- K20 1986 (5.7L)
- K2500 1988–1998 (5.0L)
- K2500 1988–1999 (5.7L)
- K30 1986 (5.7L)
- K3500 1988–1999 (5.7L)
- K5 Blazer 1986 (5.0L)
- K5 Blazer 1986 (5.7L)
- P20 1986–1989 (5.7L)
- P30 1986–1999 (5.7L)
- R10 1987 (5.7L)
- R10 1987 (5.0L)
- R20 1987–1988 (5.0L)
- R20 1987–1988 (5.7L)
- R20 Suburban 1987–1988 (5.7L)
- R2500 1989 (5.7L)
- R30 1987–1988 (5.7L)
- R3500 1989–1991 (5.7L)
- Tahoe 1995–1996 (5.7L)
- V10 1987 (5.7L)
- V10 1987 (5.0L)
- V10 Suburban 1987–1988 (5.7L)
- V1500 Suburban 1989–1990 (5.7L)
- V20 1987 (5.7L)
- V20 Suburban 1987–1988 (5.7L)
- V30 1987–1988 (5.7L)
- V3500 1989–1991 (5.7L)
- GMC
- C1500 1986–1998 (5.0L)
- C1500 1986–1998 (5.7L)
- C2500 1986–1999 (5.0L)
- C2500 1986–1999 (5.7L)
- C3500 1986 (5.0L)
- C3500 1986–1999 (5.7L)
- Jimmy 1986–1991 (5.7L)
- Jimmy 1986–1987 (5.0L)
- K1500 1986–1998 (5.7L)
- K1500 1986–1998 (5.0L)
Showing top 60 model lines; 1,162 total applications. See full fitment guide.
Ford & GM applications shown (ACES-verified). Confirm exact trim before purchase.
| Part No. | 6300404 |
|---|---|
| Brand | McLeod Racing |
| Part Type | Transmission Clutch and Flywheel Kit |
| Weight | 42 lb |
| UPC | 00887753673879 |
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.