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OCTOBER SAVINGS SALE ON NOW!!!
OCTOBER SAVINGS SALE ON NOW!!!

Moton Linear Racing Springs- 300 Series (300mm x 61mm ID)

SKU AST-300-20-61
Original price $250.00 - Original price $250.00
Original price
$250.00
$250.00 - $250.00
Current price $250.00
Fast & Free Shipping On orders over $150 (excl some bulky items)
Fitment Guarantee When using our parts finder
Local Support Australian based support 24/7

Moton Linear Racing Springs

Premium 300-Series Replacement Springs (61mm ID)

Engineered for professional motorsport, these 300mm length linear-rate springs provide the consistency required for high-level chassis tuning. Manufactured from high-tensile chrome silicone steel, they offer maximum travel with minimal weight, ensuring your Moton or AST coilovers perform at their peak.

Lo Open Length (mm)
R Spring Rate (N/mm)
Di Inside Diameter (mm)
Sn Block Length (mm)
Fn Force at Block (N)
St Usable Stroke (mm)
Part Number Lo R Di Sn Fn St
AST-300-20-61 300 20 61 - - -
AST-300-25-61 300 25 61 - - -
AST-300-30-61 300 30 61 107 5790 193
AST-300-35-61 300 35 61 114 6510 186
AST-300-40-61 300 40 61 123 7080 177
AST-300-45-61 300 45 61 122 8010 178
AST-300-50-61 300 50 61 133 8350 167
AST-300-55-61 300 55 61 133 9185 167
AST-300-60-61 300 60 61 134 9960 166
AST-300-65-61 300 65 61 136 10660 164
AST-300-70-61 300 70 61 138 11340 162
AST-300-75-61 300 75 61 140 12000 160
AST-300-80-61 300 80 61 143 12560 157
AST-300-85-61 300 85 61 147 13005 153
AST-300-90-61 300 90 61 150 13500 150
AST-300-95-61 300 95 61 154 13870 146
AST-300-100-61 300 100 61 169 13100 131
AST-300-110-61 300 110 61 156 15840 144
AST-300-120-61 300 120 61 165 16200 135
AST-300-130-61 300 130 61 176 16120 124
AST-300-140-61 300 140 61 165 18900 135
AST-300-150-61 300 150 61 176 18600 124

Note: Compatibility information is provided as a general guide only. Some vehicles may have multiple part variations for the same model or engine. To ensure this product is the correct fit and to be eligible for our Fitment Guarantee, please contact our team before purchasing.

Can’t find the part you’re looking for?
If you can’t find the part you need, please fill out our Fitment Finder or visit our Contact Us page. One of our expert team members will respond promptly to assist with your enquiry.

How do I make payment?
Payment is completed during checkout. We accept all major payment methods via Shopify Payments including credit/debit cards, Apple Pay, Google Pay, and more. Direct bank transfer is also available please contact us at contact@tjautoparts.com.au for bank details and instructions.

How long will it take to process my order?
We aim to process and dispatch all orders within 1–2 business days. If there are any delays, we will notify you promptly via email.

What if I’ve seen a cheaper price elsewhere?
We always aim to offer the best value. If you’ve found a better price elsewhere, get in touch with us and we’ll do our best to match or beat it.

Where do the products come from?
All products are sourced directly from the manufacturer or authorised suppliers to ensure authenticity. Every item is backed by the manufacturer’s warranty.

Do you offer trade accounts or special pricing?
Yes, we offer trade accounts and pricing for qualified customers. To find out more or apply, simply email us at contact@tjautoparts.com.au and our team will assist you.

To see more FAQs visit our FAQs page or get in touch today.

Shipping Rates
We offer free standard shipping on all orders over $150 (excluding bulky items). For orders under $150. Standard shipping starts at $9.95. Express shipping starts at $14.95. Shipping costs can be calculated in the cart or at checkout. Orders containing bulky items such as batteries, brake discs, liquids, and lift kits may incur additional shipping charges, particularly to remote or regional areas.

Dispatch & Handling
We aim to process and dispatch all orders within 1-2 business days. In the event of any delays, our customer service team will notify you. Tracking numbers are sent via email once your order has been dispatched and can also be accessed from your account.

For enquires on same day delivery or pickup, please contact our team before ordering to check availability. Custom or order in only items may have longer lead times. For more details on shipping, see our Delivery information page.

Returns and Refunds
If you change your mind or need to cancel an order, simply contact us at contact@tjautoparts.com.au within 30 days of delivery. Items should be unused and in their original packaging. A small restocking/admin fee of 5–20% may apply to help cover processing costs. This fee is only applicable at the discretion of our staff and may not apply to all orders. Return shipping is covered by you unless we sent the wrong or faulty item, in which case we’ll take care of it. Once we receive your return, refunds are processed quickly, usually within 48 hours, with up to 5 business days for your bank to complete the transfer.

We’re here to help make returns easy and hassle free! Contact us with any questions.

Warranty
All products come with the manufacturer’s warranty. If you experience any issues, please contact us at contact@tjautoparts.com.au. For full details on warranty coverage and claims, please visit our Returns page.

Fast & Free Shipping On orders over $150 (excl some bulky items)
Fitment Guarantee When using our parts finder
Local Support Australian based support 24/7