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Product Summary

383, 400

  • New cast steel crank and standard size journals
  • Keith Black Hypereutectic pistons
  • Speedway 4340 full floating H-beam rods
  • Rod and Main bearings included
  • All balancing is done with our state-of-the-art "hines" balancer by race mechanics with over 30 years of experience

Comes as a Kit

Key Specs

MFG. Part #91510201
BrandSpeedway Motors

Need To Know

This Product Will Ship Free

Shipping Policies & FAQs

Made to Order

This custom item will ship when completed

Quick and Easy Returns

Return Policy

Details

Speedway introduces rotating assemblies, with an optional balance job. Includes 2-pc rear main seal cast steel crank, rods and pistons. Cranks are new so they use standard size bearings.

All balancing is done with our state-of-the-art "hines" balancer by race mechanics with over 30 years of experience!

Note:  A kit purchased with this optional balance job will ship in 24-48 hours.   As such, please note that your order will then be delivered in 1 or 2 days after your estimated day of delivery indicated at check out.

NOTE: Piston rings are not included and must be purchased separately.

Item Details

383/400 kit (includes balance plate and 8" damper)
Please allow 24-48 hrs for a kit to ship w/ this labor option.

Specifications

KEY SPECS
MFG. Part #91510201
BrandSpeedway Motors