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Hays 10-630 Billet Steel SFI Flywheel - Chevy V6 & Small Block 168 Tooth

(GMC G2500 1986-93, Yukon 1992-93, Sonoma 1991-93, K1500 1986, 1988-93, C1500 1986, 1988-93, K2500 1986, 1988-93, Jimmy 1986-93 + 94 more models)

Part of: Hays Performance Flywheels

Other options in this family: Hays 16-132 Hays 10-130 Hays 10-140 Hays 13-130 Hays 12-535

Manufacturer

Picture for manufacturer Hays

Part Number

10-630
4 reviews
Sale Price

$610.95

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The Hays 10-630 is a precision-machined billet steel flywheel engineered for Chevrolet V6 and small block applications requiring external balance. This heavy-duty flywheel is SFI 1.1 certified for competitive use, providing the durability and safety standards demanded in high-performance and racing environments.

Key Features:

  • Billet steel construction for maximum strength and reliability
  • 168 tooth ring gear for starter engagement
  • SFI 1.1 certified for sanctioned racing competition
  • Drilled to accept both 10.5-inch and 11-inch clutch assemblies
  • External balance configuration for 4.3L V6, 5.0L, and 5.7L small block Chevrolet engines
  • Weighs 30 lbs for optimal rotational mass

This flywheel is designed for external balance engines and provides the versatility to accommodate multiple clutch sizes, making it ideal for street/strip applications and competitive racing. The billet steel construction ensures consistent performance under extreme conditions while meeting stringent SFI safety requirements.

Products specifications

Fits

GMC G2500 1986-93, Yukon 1992-93, Sonoma 1991-93, K1500 1986, 1988-93, C1500 1986, 1988-93, K2500 1986, 1988-93, Jimmy 1986-93, C3500 1986, 1988-93, K2500 Suburban 1986, 1992-93, K3500 1986, 1988-93, Safari 1986-93 + 90 more models

Tooth Quantity

168

Finish

Steel

Prop 65

No

# of Teeth

168

Application

Chevrolet

Brand

Hays

Category

Transmission and Drivetrain

Crank Pilot Diameter (in)

2.06

Emission Code

5

Engine

Chevrolet Small Block Gen I

Engine

GM 90 Degree V6

Engine Balance

External

Material

Steel

Product Type

Flywheels

SFI Approved

Yes

SFI Certification

1.1

Warranty

Manufacturer's Limited 90 Day Warranty

A+shipping was quick, communications were quick

very good deal.

Best prices online! Ordered a JBA performance exhaust and Airaid intake system for my 06 F-150. Was hesitant at first because I never heard of them but ordering was a breeze and saved me over $100 total for two items compared to anywhere else. Had package at my door in about 24 hours and even selected normal UPS ground shipping. Very satisfied and will definitely return!

Autoplicity was plenty cheaper than competitors for the springs I needed. I was shopping around and left the website after beginning a transaction and they sent me a coupon for 25% off shipping if I would return and purchase from them, which was cool. Unfortunately the coupon code didn't change the price and I didn't receive 25% off, but it was still cheaper than others.

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