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#9151267-040
Forged SB Chevy Rotating Assembly-395 .063 Dome-350 Main-6 Rod-.00 OS
- Fits 350/395 Chevy Small Block V8
- Kit includes new 2-pc rear main seal crank, rods and pistons
- Forged 4340 Steel connecting rod and crankshaft
$2,798.99
/kit
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Product Summary
350 mains Main Journal Style, Dome Piston Style
- Fits 350/395 Chevy Small Block V8
- Kit includes new 2-pc rear main seal crank, rods and pistons
- Forged 4340 Steel connecting rod and crankshaft
- 14.2:1 compression ratio
- 6" rod length
Comes as a Kit
View Kit Components
Key Specs
| MFG. Part # | 9151267-040 |
| Cylinder Bore Size | .040" Oversized |
| Connecting Rod Type | H-Beam |
| Piston Style | Dome |
| Piston Material | Forged Aluminum |
Need To Know
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Return PolicySpeedway Motors 9151267-040 Details
Speedway Motors 9151267-040 Details
Speedway introduces forged rotating assemblies, with an optional balance job. Includes new 2-pc rear main seal crank, rods, and pistons. Cranks are new so they use standard size bearings.
All Scat 4340 cranks are 2-piece rear main seal, internally balanced, and weigh approximately 51-55 lbs. 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 (must be purchased separately, part # 91510200) will ship in 24-48 hours. These rotating assembly engine rebuild kits may require additional charges for heavy metal.
If you are going to run this crank in a sprint car motor, you must have the crank flange turned down prior to balancing the crank to allow it to go through the motor plate.
NOTE: Piston rings are not included and must be purchased separately. Use Style E rings.
Piston Weight: 433 g. Rod Length: 6.0"
Bore & Stroke: 4.000 x 3.875
Ring Style: E
50 cc 14.2:1 compression ratio
Kits feature:
- Scat 4340 Forged Steel Crankshaft
- Standard size journals
- Straight shot and chamfered oil holes
- Nitride hardened and shot peened
- Lightening holes in all rod throws
- Large radius on all journals
- KB Signature Series Forged Pistons
- 2618 aluminum alloy construction
- T-6 heat treated
- 4.000 " bore pistons available in standard, .030, .040, or .060 sizes
- 4.125 " bore pistons available in .030 or .040 sizes
- Speedway 4340 H-beam Connecting Rods
- Full floating pin in silicon bronze bushing
- Precision bolt bushings to positively locate cap
- 6.0 " lengths
- 634 grams
- Weight matched set of 8 rods
- 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
Kits feature:
- Scat 4340 Forged Steel Crankshaft
- Standard size journals
- Straight shot and chamfered oil holes
- Nitride hardened and shot peened
- Lightening holes in all rod throws
- Large radius on all journals
- KB Signature Series Forged Pistons
- 2618 aluminum alloy construction
- T-6 heat treated
- 4.000 " bore pistons available in standard, .030, .040, or .060 sizes
- 4.125 " bore pistons available in .030 or .040 sizes
- Speedway 4340 H-beam Connecting Rods
- Full floating pin in silicon bronze bushing
- Precision bolt bushings to positively locate cap
- 6.0 " lengths
- 634 grams
- Weight matched set of 8 rods
- 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
Application
- 350 build
- Piston Diameter = 4.030 Inches (.030" overbore)
- Engine Stroke = 3.875 Inches
- Computed Engine Displacement (CID) is 395
- 400 build
- Piston Diameter = 4.165 Inches (.040" overbore)
- Engine Stroke = 3.625 Inches
- Computed Engine Displacement (CID) is 395
Speedway Motors 9151267-040 Specifications
Speedway Motors 9151267-040 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 9151267-040 |
| Brand | Speedway Motors |
| Cylinder Bore Size | .040" Oversized |
| Connecting Rod Type | H-Beam |
| Piston Style | Dome |
| Piston Material | Forged Aluminum |
| GENERAL | |
| Main Journal Style | 350 mains |
| Connecting Rod Length | 6.000" |
| Connecting Rod Material | Forged 4340 Steel |
| Connecting Rod Weight | 634 grams |
| Connecting Rod Bolt Diameter | 7/16" |
| Piston Diameter | 4.040" |
| Dome Height | 0.068" |
| Piston Ring Style | E |
| Crankshaft Material | Forged 4340 Steel |
| Rear Main Seal Style | 2-piece |
| Wrist Pin Diameter | 0.9272" |
| Main Journal Diameter | 2.448" |
| Rod Journal Diameter | 2.10" |
| Bearing Construction | Bi-metal |
| Bearing Undersize | Standard |
| Narrowed Bearing | Yes |
| Coated Bearing | No |
| Sold in Quantity | Kit |
Ratings & Reviews
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Ratings & Reviews
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I would buy this again
4.0
3 years ago
evilrado ss
Lincoln ne
Verified
exchanged rods for scat forged h beam
Would Recommend
Showing 1 of 1 reviews
Questions & Answers
Questions & Answers
2 Questions • 2 Answers
What compression with a 64cc head?
by Silly
• 7 years ago
1 answer
View Answer
I am looking for a rotating assembly for a sbc 350 block 10.5 to 1 forged 3.875 stroke 4.035 or 4.040 bore. do you have one?
by Rory
• 8 years ago
1 answer
View Answer
2 of 2 questions shown
Fitment
Fitment
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Gen 1 L48 Small Block Chevy
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1972 Chevy G20 Van
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1973-1974 Chevy G20 Van
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Gen 1 L48 Small Block Chevy
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Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
1970 Chevy G30 Van
2-Piece Rear Main Chevy 350
1972-1974 Chevy G30 Van
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Gen 1 L48 Small Block Chevy
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1973-1982 Chevy Impala
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Gen 1 L82 Small Block Chevy
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Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy
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Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy
1972-1974 Chevy K30
Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy
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Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy
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1975-1982 Chevy K5 Blazer
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Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy
1983 Chevy K5 Blazer
2-Piece Rear Main Chevy 350
1984 Chevy K5 Blazer
Gen 1 L48 Small Block Chevy
1985 Chevy K5 Blazer
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1976-1977 Chevy Monte Carlo
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Gen 1 L48 Small Block Chevy
1975-1979 Chevy P30
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
1980-1983 Chevy P30
2-Piece Rear Main Chevy 350
1985 Chevy P30
2-Piece Rear Main Chevy 350
1970 Chevy P30 Van
2-Piece Rear Main Chevy 350
1972 Chevy P30 Van
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Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
1973-1974 Chevy P30 Van
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
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1967 GMC G35/G3500 Van
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1970-1974 GMC G35/G3500 Van
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Gen 1 L82 Small Block Chevy
1975-1978 GMC K15 Suburban
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Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy
1967-1974 GMC K15/K1500 Suburban
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Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy
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1979-1980 GMC K1500 Suburban
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Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy
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Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy
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Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy
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Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy
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Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy
1979-1984 GMC K2500
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Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy
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Gen 1 L48 Small Block Chevy
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