Brinn 79130 Small Block Chevy Steel Flywheel, 1 Piece Main, 1986-Up-Externally Balanced-FOR GM 602 & 604

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Brinn 79130 Small Block Chevy Steel Flywheel, 1 Piece Main, 1986-Up

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    Market price: $319.95, you save $10.00
  • $309.95
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  • Shipping info

    We deliver worldwide and to almost all countries. Call us at 704-871-0721 to get help with large international orders and we can help manually check the shipping for you. MORE INFO BELOW in Shipping Info section.

  • Payment methods

    Accepted payment methods

  • Return Policy

    We accept returns for up to 30 days from the purchase date. To be eligible for a return, your item must be unused and in the same condition that you received it. More Return Info below. 

For Externally Balanced Engines

Ring Gear Tooth Quantity: 65-tooth Rear Main Seal Style: 1986 and Later 1-piece Flywheel Material: Steel Weight: 4.550 lbs. Replaceable Friction Surface: No Notes: For use with 8M-20 timing belts. Designed to work with Brinn bellhousings only. Externally balanced flywheel for GM 602, 603, and 604 crate engines only. Description: • Steel flywheels are made from through-hardened, 4140 steel for increased strength and durability • All flywheels and drive flanges have a SAE 10 tooth internal spline • All flywheels feature an integral pulley for 8M-20 HTD timing belts • All flywheels have 65 teeth • Brinn flywheels only work with Brinn bellhousings The perfect marriage--Brinn transmissions and flywheels! Their flywheels are quality components, not unlike the rest of their inventory. Offered in steel or aluminum, these flywheels are designed for your Ford or Chevy and feature an SAE 10-tooth internal spline, an integral pulley for 8M-20 HTD timing belts, and 65 teeth. Their steel flywheels are made from through-hardened 4140 steel, while their aluminum flywheels are made from hard-anodized, aircraft-grade 7075 aluminum, for increased strength and durability with either choice. And, with their CT525 flywheels, you can mate Brinn transmissions to GM CT525 crate engines using their bellhousings. What a team! Tie the knot with a winning family--Brinn.

4.55 LBS.

1 Piece Main, 1986-Up-Externally Balanced CRAYE


Ring Gear Included


Tooth Count


Internal/External Balance


SFI Approved


Rear Main Seal Style


Crankshaft Flange

6 Bolt




4.55 lbs









    • Weight
      5.11 lbs
    • SKU
  • Manufacturer

Product questions

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Products typically ship out between the same day and 1-3 days. Depending on the time/day ordered and the product type. Some products are made to order to spec and will ship once built. Feel free to call us at 704-871-0721 if you have any questions about shipping. Also call us if you are ordering large items like race car bodies as those are hard for the freight system to calculate sometimes and it will overestimate. Thank you.

We accept the following payment methods:

Accepted payment methods

And now Venmo & PayPay Credit

Our policy lasts 30 days. If 30 days have gone by since your purchase, unfortunately, we can’t offer you a refund or exchange.

To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging. If the return is not based on a mistake on our part, a 15% restocking fee will apply.

Several types of goods are exempt from being returned. We also do not accept products that are hazardous materials, flammable liquids, or gases.

Additional non-returnable items:
* Gift cards
* Downloadable software products

To complete your return, we require a receipt or proof of purchase.

Please do not send your purchase back to the manufacturer. *Special cases might be returned to the manufacturer*

There are certain situations where only partial refunds are granted: (if applicable)
* Book with obvious signs of use
* Any item not in its original condition, that is damaged, or is missing parts for reasons not due to our error.
* Any item that is returned more than 30 days after delivery

Refunds (if applicable)
Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.
If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.

Late or missing refunds (if applicable)
If you haven’t received a refund yet, first check your bank account again.
Then contact your credit card company, it may take some time before your refund is officially posted.
Next, contact your bank. There is often some processing time before a refund is posted.
If you’ve done all of this and you still have not received your refund yet, please contact us at

Sale items (if applicable)
Only regular priced items may be refunded, unfortunately, sale items cannot be refunded.

Exchanges (if applicable)
We only replace items if they are defective or damaged, or if we made the mistake.  If you need to exchange it for the same item, send us an email at and send your item to 304 5th Creek Road, Statesville, NC, 28625, United States.

To return your product, you should mail your product to:
304 5th Creek Road, Statesville, NC, 28625, United States.

You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund.

Depending on where you live, the time it may take for your exchanged product to reach you may vary.

If you are shipping an item over $75, you should consider using a trackable shipping service or purchasing shipping insurance. We don’t guarantee that we will receive your returned item.

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