Premium Chevy 350 Rotating Assembly, 1-Piece Main, Flat Top, 5.7 Rod
- Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Build Your KitYou're almost there! This kit has an option or two for you to select. Let us know which options you want for your new kit.
These rotating assembly engine rebuild kits feature a new one piece rear main cast steel crank with standard size journals, Keith Black Hyperuetectic piston set, and Speedway 4340 full floating H-beam rods with ARP bolts.
All balancing is done with our state-of-the-art Hines balancer by race mechanics with over 30 years of experience! A kit purchased with the optional balance job will ship in 24-48 hours.
NOTE: Piston rings are not included and must be purchased separately.
- Scat Cast Steel Crankshaft
- One-piece rear main
- 80-60-06 cast steel construction
- Fatigue-resistant with near forged steel endurance
- Standard size journals
- Speedway 4340 H-beam Connecting Rods w/ ARP bolts
- Full floating pin in silicon bronze bushing
- Precision bolt bushings to positively locate cap
- 5.7" (622 grams) or 6.0" (634 grams) lengths
- Weight matched set of 8 rods
- Keith Black Signature Series Hypereutectic Pistons
- T-5 heat treated aluminum construction
- Super stiff design for maximum ring seal
- 4.000" bore pistons available in .030, .040, or .060 sizes
- C/R 58cc=10.9, 64cc=10.2, 76cc=8.9
Piston/Pin Weight: 680 g
Rod Length: 5.7", Ring Style: A
- King HP Series Main & Rod Bearings
- 0.015" thick top layer for superior macro particle embedability and conformability
- 40 Vickers hardness to resist overlay migration and extrusion
- 450°F heat threshold for superior protection against friction and overheating
- Mains are 3/4 grooved for improved oiling to the rod journals
- Bi-metal aluminum silicon alloy featuring fine micro-bore finish
Flat top, 680 g
What's In The KitEach kit from Speedway Motors is carefully packaged and delivered right to your door. Below is a list of all the items you should expect to receive when you order this kit. Some of these items may also be available for sale individually if you're here looking for replacement parts.
Scat 9-10526R 350 Chevy Cast Crankshaft, 1-Piece MainPart # 91510526Qty x 1
Small Block Chevy 5.7 H-Beam Connecting Rods, 4340 Steel, 7/16Part # 91015328-5.7Qty x 1
KB Chevy 350 Hypereutectic Pistons, Flat Top, 5.7 RodPart # 474120Qty x 1
1986-96 Small Block Chevy Balancing PlatePart # 91615375-86Qty x 1
King HP Series Chevy 350/400 Large Journal Engine Rod Bearings, StdPart # 910807HP-STDQty x 1
King HP Series Chevy 350 Large Journal Engine Main Bearings-StandardPart # 910557HP-STDQty x 1
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