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Product Summary

350, 350 mains Main Journal Style, 3.480" Engine Stroke

    Comes as a Kit

    Key Specs

    MFG. Part #9153015
    BrandSpeedway Motors
    Connecting Rod TypeI-Beam
    Piston StyleDome
    Piston MaterialForged Aluminum

    Need To Know

    This Product Will Ship Free

    Made to Order

    This custom item will ship when completed

    Quick and Easy Returns

    Details

    Our lightweight forged rotating assembly engine rebuild kits include a 44-45 lb. Scat Superlight 4340 forged 2-pc rear main seal crankshaft, Scat 4340 forged I-beam connecting rods and Mahle pistons complete with wrist pins, locks and rings. Rod and main bearings included. Standard size journals.

    All balancing is done with our state-of-the-art Hines balancer by race mechanics with over 30 years of experience. These kits are a made to order kits wtih the balancing included.  So once purchased the kit will be balanced and that can take up to 24-48 hours before it ships out our door to you.

     

    Item Details

    Dome, 501 g
    Comp. 64cc: 13.0
    Ring Style: E

    Kit includes:

    • Scat 4340 Lightweight Forged Steel Crankshaft
      • Standard size journals
      • Profiled aero-wing counterweights
      • Pendulum cut to reduce rotating mass
      • Straight shot and chamfered oil holes
      • Nitride hardened and shot peened
      • Lightening holes in all rod throws
      • Large radius on all journals
    • Scat Pro Comp 4340 I-Beam Rods
      • Stroker clearanced
      • ARP 7/16 " cap screw bolts
      • Bushed pin
      • Set of 8 rods
      • 5.7 " rod: 628 grams
      • Crank pin: 2.100 "
      • Wrist pin: .927 "
      • B.E. width: .940 "
    • Mahle PowerPak Forged Pistons
      • Lightweight slipper skirt design
      • Phosphate coated
      • Grafel anti-friction skirt coating
      • 4.000 " bore pistons available in standard, .030, .040, or .060 sizes
      • 4.125 " bore pistons available in standard, .030 or .040 sizes
      • Set of 8 pistons
      • Includes low drag rings, lightweight wrist pins and round wire locks
    • King HP Series Main and 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

    Kit includes:

    • Scat 4340 Lightweight Forged Steel Crankshaft
      • Standard size journals
      • Profiled aero-wing counterweights
      • Pendulum cut to reduce rotating mass
      • Straight shot and chamfered oil holes
      • Nitride hardened and shot peened
      • Lightening holes in all rod throws
      • Large radius on all journals
    • Scat Pro Comp 4340 I-Beam Rods
      • Stroker clearanced
      • ARP 7/16 " cap screw bolts
      • Bushed pin
      • Set of 8 rods
      • 5.7 " rod: 628 grams
      • Crank pin: 2.100 "
      • Wrist pin: .927 "
      • B.E. width: .940 "
    • Mahle PowerPak Forged Pistons
      • Lightweight slipper skirt design
      • Phosphate coated
      • Grafel anti-friction skirt coating
      • 4.000 " bore pistons available in standard, .030, .040, or .060 sizes
      • 4.125 " bore pistons available in standard, .030 or .040 sizes
      • Set of 8 pistons
      • Includes low drag rings, lightweight wrist pins and round wire locks
    • King HP Series Main and 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

    Specifications

    KEY SPECS
    MFG. Part #9153015
    BrandSpeedway Motors
    Connecting Rod TypeI-Beam
    Piston StyleDome
    Piston MaterialForged Aluminum
    GENERAL
    Main Journal Style350 mains
    Engine Stroke3.480"
    Connecting Rod Length5.700"
    Connecting Rod MaterialForged 4340 Steel
    Connecting Rod Weight590 grams
    Connecting Rod Bolt Diameter7/16"
    Piston Weight501 grams
    Piston Ring StyleE
    Crankshaft MaterialForged 4340 Steel
    Rear Main Seal Style2-piece
    Wrist Pin Diameter.9272"
    Main Journal Diameter2.448"
    Rod Journal Diameter2.10"
    Bearing ConstructionBi-metal
    Bearing UndersizeStandard
    Narrowed BearingYes
    Coated BearingNo
    Sold in QuantityKit