SB Chevy Rotating Assembly, 383 Flat Top-2 Valve Relief, 5.7 Rod
350 Chevy Small Block V8, 383 Chevy Small Block V8, 350 mains Main Journal Style
- Fits 350/383 Chevy Small Block V8
- Kit includes 2-pc rear main seal cast steel crank, rods and pistons
- Forged 5140 Steel connecting rod
- Cast steel crankshaft
- Flat Top w/ 2 valve reliefs piston style made from hypereutectic aluminum
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.
Speedway introduces rotating assembly engine rebuild kits, 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! 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.
Flat top, 2 valve relief
Ring style: A
C/R 58cc=12.0, 64cc=11.1, 76cc=9.8
Piston/Pin Weight: 607 g
Rod Length: 5.7"
- Speedway Cast Steel Crankshaft
- Two-piece rear main
- 80-60-06 cast steel construction
- Fatigue-resistant with near forged steel endurance
- Standard size journals
- Speedway 5140 I-Beam Claimer Connecting Rods
- 5140 heat treated steel
- Shot peened and magnafluxed
- 5.7" length
- Press pin
- 646 grams
- KB Signature Series Hypereutectic Claimer Pistons
- Coated skirts
- Wrist pin lock rings
- T-5 hypereutectic construction
- Can be used with press fit or floating wrist pins
What's In The Kit
Speedway 383 Chevy Crankshaft, Two-Piece MainPart # 91515383Qty x 1
Small Block Chevy 5140 Steel I-Beam Rods, 5.7 Inch, Press PinPart # 91015327Qty x 1
KB Claimer Chevy 383 Hypereutectic Pistons, Flat Top, 5.7 RodPart # 4749906Qty x 1
King HP Series Chevy 350/400 Large Journal Engine Rod Bearings, StdPart # 910807HP-STDQty x 1
King MB 557HP HP Series Chevy 350 Large Journal Main BearingsPart # 910557HP-STDQty x 1
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