This ARP Main Bolt Kit replaces the factory main-cap bolts on the Toyota 1600cc 4A-GE engine with high-strength bolts for more accurate, repeatable clamp load and better main-bearing alignment. For 4A-GE applications only.
Specifications
| Type | Main bolt kit |
| Includes | Main cap bolts |
| Part Number | 203-5001 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1990-1993 | Toyota | Celica | GT / GTS / ST / All Trac |
| 1984-1992 | Toyota | Corolla | (various incl GTS/SR5) |
| 1985-1989 | Toyota | MR2 | GT / Super Charged |
Shipping
- In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Backordered items ship as soon as stock lands — contact us for lead times.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30-day returns on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
- Installed or used parts can’t be returned — confirm fitment before you install.
- Special orders and custom items are final sale.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Refund Policy
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