Our Guarantees
Allstar Performance has a wide selection of items to assist with your building project. Covering the full range of automotive performance markets, Allstar Performance offers high-quality components at a reasonable price. Many Allstar Performance parts were custom engineered and manufactured to meet specialized needs and aren't available anywhere else.
Rear Main Seal Adapter – 1-Piece Block to 2-Piece Crank – 1986 and Up Pan – Small Block Chevy – Kit
This adapter is for use with 1986 and later oil pans. Use FEL2900 2pc Rear Main SealDo to the irregularities in block and oil pans this adapter is not designed to use the original style rubber rear oil pan seal. Apply a generous amount of RTV type sealant to the trough of the adapter plate in place of the rear pan seal for proper sealing. Note: Make sure sealing areas are clean and free of oil before installation
Why Choose Us?
Frequently Asked Questions
As an Authorized Automotive Retailer in the United States, we take pride in guaranteeing 100% authentic products from all brands available on our website. With partnerships spanning 1,000+ brands and a network of 20+ distributor warehouses nationwide, we maintain millions of auto parts in inventory across the USA, ensuring quick shipping and reliable service to our customers. When you shop with us, you're investing in quality and trust.
- Unbeatable Delivery & Prices – Best shipping rates & auto parts costs.
- Package Exclusive Protection & Insurance Included - Fully protected from damage or loss.
- Door-to-Door Delivery – Sit back and relax. We handle everything.
- Real-Time Tracking Always Updates Guarantee
- 100% Satisfaction Guarantee – We stand by our service to ensure a hassle-free experience.
Our standard shipping typically takes 1-3 business days. We will provide estimated shipping time for each product. While we aim to deliver as quickly as possible, this timeframe ensures all orders are processed, prepared, and dispatched with care. If the products are not ready for shipping in 72 hours, we will refund you 100%
Absolutely. Once your order is dispatched, you’ll receive an email with tracking details, so you can follow your shipment every step of the way. Every step of shipping process will be sent through email notifications or using tracking page.
This fee helps us process and arrange your shipment smoothly. After finalizing the actual shipping cost, we’ll refund any excess amount, ensuring you only pay the true shipping fee—no hidden costs. Read more at Shipping Policy
Every product page includes a stock level indicator to show what’s available. We always update the inventory 24/24. We’ll be happy to check availability and provide updates on new stock arrivals if you need a help.
We’re sorry to hear that your order wasn’t delivered in perfect condition. Please email us with your order number, a description of the issue, and photographs of the damaged item. Once we receive this information, we’ll arrange for a replacement or refund and handle the return process.
You can return items within 30 days of receipt. Ensure the product is new in its original packaging and securely wrapped for safe transit. Once we receive the item in sellable condition, we’ll issue a full refund for the product value. Contact us for the return address and further instructions.
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