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#91510214
SB Chevy Rotating Assembly, 383 Flat Top-2 Valve Relief, 5.7 Rod
- 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
$1,204.99
/each
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Product Summary
350 mains Main Journal Style, 3.750" Engine Stroke
- 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
Comes as a Kit
View Kit Components
Key Specs
| MFG. Part # | 91510214 |
| Brand | Speedway Motors |
| Connecting Rod Type | I-Beam |
| Piston Style | Flat Top w/ 2 valve reliefs |
| Piston Material | Hypereutectic Aluminum |
Need To Know
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Speedway Motors 91510214 Details
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.
Item Details
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"
Kits include:
- 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
Kits include:
- 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
Speedway Motors 91510214 Specifications
Speedway Motors 91510214 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 91510214 |
| Brand | Speedway Motors |
| Connecting Rod Type | I-Beam |
| Piston Style | Flat Top w/ 2 valve reliefs |
| Piston Material | Hypereutectic Aluminum |
| GENERAL | |
| Main Journal Style | 350 mains |
| Engine Stroke | 3.750" |
| Connecting Rod Length | 5.700" |
| Connecting Rod Material | Forged 5140 Steel |
| Connecting Rod Weight | 646 grams |
| Connecting Rod Bolt Diameter | 3/8" |
| Piston Weight | 505 grams |
| Piston Ring Style | A |
| Crankshaft Material | Cast Steel |
| Rear Main Seal Style | 2-piece |
| Wrist Pin Diameter | .9272" |
| Wrist Pin Weight | 102 grams |
| 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
5
1 Review
Ratings & Reviews
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1 Review
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383 rotating assembly's
5.0
3 years ago
Tom
Pinellas park fl
Verified
Very knowledgeable about this product. Found everything I needed.
Would Recommend
Showing 1 of 1 reviews
Questions & Answers
Questions & Answers
7 Questions • 7 Answers
Are the connecting rods clearanced for use in a 350 block or are they just standard 350 rods, also if I get the crank machined balanced do I need a 400 balancer or a 350 balancer. Does this kit also come with bearings.
by Logan
• 7 years ago
1 answer
View Answer
Are the pistons for a 4.030 bore or a 4.000 bore
by John
• 8 years ago
1 answer
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what compression ratio with a 72cc head?
by james
• 9 years ago
1 answer
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Is the crankshaft internally or externally balanced?
by Josh
• 10 years ago
1 answer
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Does this kit come with Rod bearings?
by Joe
• 10 years ago
1 answer
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what compression ratio with a 64cc head?
by Andy
• 10 years ago
1 answer
View Answer
dose the kit come with rings and bearings
by
• 14 years ago
1 answer
View Answer
7 of 7 questions shown
Fitment
Fitment
1973-1975 Chevy Bel Air
Gen 1 L48 Small Block Chevy
1972 Chevy Blazer
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
1973-1974 Chevy Blazer
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
1973-1982 Chevy C10
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
1983 Chevy C10
2-Piece Rear Main Chevy 350
1984 Chevy C10
Gen 1 L48 Small Block Chevy
1985 Chevy C10
2-Piece Rear Main Chevy 350
1972-1982 Chevy C10 Suburban
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
1983 Chevy C10 Suburban
2-Piece Rear Main Chevy 350
1984 Chevy C10 Suburban
Gen 1 L48 Small Block Chevy
1985 Chevy C10 Suburban
2-Piece Rear Main Chevy 350
1982-1987 Chevy C15
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy
1972-1982 Chevy C20
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
1984 Chevy C20
Gen 1 L48 Small Block Chevy
1972-1982 Chevy C20 Suburban
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
1984 Chevy C20 Suburban
Gen 1 L82 Small Block Chevy
1972-1982 Chevy C30
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
1984 Chevy C30
Gen 1 L46 Small Block Chevy
1983-1987 Chevy C35
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy
1973-1982 Chevy Camaro
Gen 1 L48 Small Block Chevy
1973-1982 Chevy Caprice
Gen 1 L48 Small Block Chevy
1983 Chevy Caprice
2-Piece Rear Main Chevy 350
1984 Chevy Caprice
Gen 1 L48 Small Block Chevy
1985 Chevy Caprice
2-Piece Rear Main Chevy 350
1973 Chevy Chevelle
Gen 1 L48 Small Block Chevy
1973-1974 Chevy Corvette
Gen 1 L48 Small Block Chevy
1980 Chevy Corvette
Gen 1 L48 Small Block Chevy
1984 Chevy Corvette
Gen 1 L83 Small Block Chevy
1985 Chevy Corvette
2-Piece Rear Main Chevy 350
1973-1977 Chevy El Camino
Gen 1 L48 Small Block Chevy
1978-1979 Chevy El Camino
2-Piece Rear Main Chevy 350
1983 Chevy El Camino
2-Piece Rear Main Chevy 350
1984 Chevy El Camino
Gen 1 L81 Small Block Chevy
1975-1982 Chevy G10
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
1984 Chevy G10
Gen 1 L82 Small Block Chevy
1970 Chevy G10 Van
2-Piece Rear Main Chevy 350
1972-1974 Chevy G10 Van
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
1975-1982 Chevy G20
Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L82 Small Block Chevy
1972 Chevy G20 Van
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
1973-1974 Chevy G20 Van
Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L82 Small Block Chevy
1975-1982 Chevy G30
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
Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
1973-1982 Chevy Impala
Gen 1 L48 Small Block Chevy
1983 Chevy Impala
2-Piece Rear Main Chevy 350
1985 Chevy Impala
2-Piece Rear Main Chevy 350
1972-1982 Chevy K10
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
1972-1982 Chevy K10 Suburban
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
1972-1982 Chevy K20
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
1972-1982 Chevy K20 Suburban
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
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
1977-1982 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
1970-1974 Chevy K5 Blazer
2-Piece Rear Main Chevy 350
1975-1982 Chevy K5 Blazer
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
1983 Chevy K5 Blazer
2-Piece Rear Main Chevy 350
1984 Chevy K5 Blazer
Gen 1 L48 Small Block Chevy
1985 Chevy K5 Blazer
2-Piece Rear Main Chevy 350
1973-1975 Chevy Laguna
Gen 1 L48 Small Block Chevy
1976 Chevy Laguna
2-Piece Rear Main Chevy 350
1973-1982 Chevy Malibu
Gen 1 L48 Small Block Chevy
1970-1971 Chevy Monte Carlo
2-Piece Rear Main Chevy 350
1973-1975 Chevy Monte Carlo
2-Piece Rear Main Chevy 350
1976-1977 Chevy Monte Carlo
Gen 1 L48 Small Block Chevy
1982-1983 Chevy Monte Carlo
2-Piece Rear Main Chevy 350
1975 Chevy Monza
Gen 1 L48 Small Block Chevy
1973-1974 Chevy Nova
Gen 1 L48 Small Block Chevy
1975 Chevy Nova
2-Piece Rear Main Chevy 350
1976-1979 Chevy Nova
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
Gen 1 L46 Small Block Chevy
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
1967 GMC C15/C1500 Suburban
2-Piece Rear Main Chevy 350
1980-1984 GMC C1500
2-Piece Rear Main Chevy 350
1980-1986 GMC C1500 Suburban
2-Piece Rear Main Chevy 350
1967-1972 GMC C25/C2500 Pickup
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
1967-1972 GMC C25/C2500 Suburban
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
1967-1974 GMC C35/C3500 Pickup
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
1978-1987 GMC Caballero
2-Piece Rear Main Chevy 350
1975-1978 GMC G15
2-Piece Rear Main Chevy 350
1967-1974 GMC G15/G1500 Van
2-Piece Rear Main Chevy 350
1979-1986 GMC G1500
2-Piece Rear Main Chevy 350
1975-1978 GMC G25
2-Piece Rear Main Chevy 350
1967-1974 GMC G25/G2500 Van
2-Piece Rear Main Chevy 350
1979-1986 GMC G2500
2-Piece Rear Main Chevy 350
1975-1978 GMC G35
2-Piece Rear Main Chevy 350
1967 GMC G35/G3500 Van
2-Piece Rear Main Chevy 350
1970-1974 GMC G35/G3500 Van
2-Piece Rear Main Chevy 350
1979-1986 GMC G3500
2-Piece Rear Main Chevy 350
1974-1977 GMC Jimmy
2-Piece Rear Main Chevy 350
1983-1984 GMC Jimmy
2-Piece Rear Main Chevy 350
1975-1978 GMC K15
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
1975-1978 GMC K15 Suburban
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
1967-1974 GMC K15/K1500 Pickup
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
1967-1974 GMC K15/K1500 Suburban
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
1979-1984 GMC K1500
2-Piece Rear Main Chevy 350
1979-1980 GMC K1500 Suburban
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
1975-1978 GMC K25
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
1975-1978 GMC K25 Suburban
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
1967-1974 GMC K25/K2500 Pickup
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
1967-1974 GMC K25/K2500 Suburban
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
1979-1984 GMC K2500
2-Piece Rear Main Chevy 350
1979-1986 GMC K2500 Suburban
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
1994-1999 GMC K2500 Suburban
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
1967-1974 GMC K35/K3500 Pickup
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
1973-1977 GMC Sprint
Gen 1 LM1 Small Block Chevy
1967 GMC Suburban
Gen 1 L46 Small Block Chevy
1987-1991 GMC V1500 Suburban
350 Chevy Small Block V8
1987 GMC V2500
350 Chevy Small Block V8
1987-1991 GMC V2500 Suburban
350 Chevy Small Block V8
1987-1991 GMC V3500
350 Chevy Small Block V8