Frequently asked questions

Yes. Every unit is fully disassembled, cleaned, machined to OEM tolerance, and rebuilt with new wear components, bearings, seals, gaskets, chains, and synchros. Each engine is hot-run tested and each gearbox is dyno bench-tested through every ratio before it ships with a serialized build sheet.

Engines carry a 5-year / 100,000-mile warranty and gearboxes a 4-year / 80,000-mile warranty (performance flat-six applications: 3 years / 36,000 miles). The warranty covers parts and, for verified professional installations, labor reimbursement at trade rate.

Units ship in reusable steel or reinforced wooden crates, fully insured, from our Sioux Falls, SD facility. Standard freight is a flat $149; orders over $2,500 ship free. Most orders leave within 48 hours, and transit to the lower 48 states typically takes 3-7 business days.

Every product page lists confirmed fitment. If you are unsure, send us your VIN via the contact form or WhatsApp and a drivetrain specialist will confirm compatibility before you order, free of charge.

Core exchange is optional on most units. If you return a rebuildable core within 60 days using our prepaid freight label, you receive a core credit of 5-10% of the purchase price. No core? No problem, the listed price stands.

No. Checkout collects only your contact details and shipping/billing addresses. Our team confirms stock and freight timing within 24 hours by phone or email, then completes billing securely offline via invoice, wire, or approved financing.

Undelivered orders can be cancelled at no charge. Unused parts in their original crate can be returned within 30 days of delivery for a full refund; a 12% restocking fee applies to non-defective returns. Submit a request from the Help Center.

Our standard freight network covers all 50 US states. For Canada, Mexico, and overseas destinations we arrange third-party export freight on a per-order basis, contact us for a quote including duties guidance.

We do not install, but we maintain a referral network of 400+ vetted independent shops across the country. Tell us your ZIP code and we will recommend an installer familiar with your platform.

You receive a confirmation email within minutes of ordering, crate and freight details within 48 hours, and live tracking once the freight carrier collects your crate. You can also view all orders anytime from your account page.