- Engines & Components
- Rotating Assembly Kits
- Eagle SBC 350 2pc Seal Competition Rotating Assemblies
Eagle Chevy Small Block 350 2pc Seal Competition Rotating Assemblies are designed to offer the ultimate strength and reliability at an affordable price for the most demanding applications using a pre-1986 small block Chevy 350 with a two-piece rear main seal. Kits include an Eagle Forged 4340 Steel Crankshaft; Eagle H-Beam Rods; SRP or Mahle Premium Forged Pistons; Hastings Rings; and high-performance Clevite or King Bearings.
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Notes
- Assembly part numbers that begin with “B” are balanced by Eagle and require no additional balancing. Part numbers that do not begin with “B” are unbalanced assemblies and must be balanced by a qualified machine shop before use.
- Kits are designed for internal balance.
- Chevy 350 standard bore size is 4.000". Kits are available in standard bore or .030", .040", and .060" oversizes.
- Eagle Specialty Products reserves the right to substitute pistons due to availability.
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AVAILABILITY
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PART TYPE
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BRAND
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Part Category
Vendor Part Number
Piston Material
Rod Bearing Undersize mm
Oil Pump Included
Actual Engine CID
Connecting Rod Material
Main Bearings Included
Piston Rings Included
Piston Head Volume cc
Rod Bearings Included
Piston Ring Facing Material
Assembly Lubricant Included
Timing Chain and Gears Included
RATING
PRICE
Chevy Small Block 350 2pc Seal Competition Rotating Assemblies3.480" Stroke 5.700" Rods Forged Pistons
Competition Rotating Assembly -
350 2pc Seal
Stroke: 3.480
Disp. @ .060: 360
Rod Length: 5.700
Pistons: -5cc Flat Top
Rings: File Fit
Comp. Ratio 58cc/64cc: 10.3/9.0
350 2pc Seal
Stroke: 3.480
Disp. @ .060: 360
Rod Length: 5.700
Pistons: -5cc Flat Top
Rings: File Fit
Comp. Ratio 58cc/64cc: 10.3/9.0
View Details
$2,676.99
Estimated to ship direct from manufacturer on 07/29/26, pending manufacturer availability.
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Chevy Small Block 350 2pc Seal Competition Rotating Assemblies3.480" Stroke 6.000" Rods Forged Pistons
Competition Rotating Assembly -
350 2pc Seal
Stroke: 3.480
Disp. @ .030: 355
Rod Length: 6.000
Pistons: 11cc Dome
Rings: File Fit
Comp. Ratio 58cc/64cc: 11.6/10.0
350 2pc Seal
Stroke: 3.480
Disp. @ .030: 355
Rod Length: 6.000
Pistons: 11cc Dome
Rings: File Fit
Comp. Ratio 58cc/64cc: 11.6/10.0
View Details
$2,630.99
Estimated to ship direct from manufacturer on 07/29/26, pending manufacturer availability.
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Lowest Price Guarantee
Competition Rotating Assembly -
350 2pc Seal
Stroke: 3.480
Disp. @ .060: 360
Rod Length: 6.000
Pistons: 11cc Dome
Rings: File Fit
Comp. Ratio 58cc/64cc: 11.6/10.0
350 2pc Seal
Stroke: 3.480
Disp. @ .060: 360
Rod Length: 6.000
Pistons: 11cc Dome
Rings: File Fit
Comp. Ratio 58cc/64cc: 11.6/10.0
View Details
$2,640.99
Estimated to ship direct from manufacturer on 07/29/26, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Chevy Small Block 350 2pc Seal Competition Rotating Assemblies3.500" Stroke 6.000" Rods Forged Pistons
Competition Rotating Assembly -
350 2pc Seal
Stroke: 3.500
Disp. @ .030: 355
Rod Length: 6.000
Pistons: -5cc Flat Top
Rings: File Fit
Comp. Ratio 58cc/64cc: 10.3/9.0
350 2pc Seal
Stroke: 3.500
Disp. @ .030: 355
Rod Length: 6.000
Pistons: -5cc Flat Top
Rings: File Fit
Comp. Ratio 58cc/64cc: 10.3/9.0
View Details
$2,639.99
Estimated to ship direct from manufacturer on 07/29/26, pending manufacturer availability.
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Lowest Price Guarantee
Chevy Small Block 350 2pc Seal Competition Rotating Assemblies3.750" Stroke 5.700" Rods Forged Pistons
Competition Rotating Assembly -
350 2pc Seal
Stroke: 3.750
Disp. @ .030: 383
Rod Length: 5.700
Pistons: -5cc Flat Top
Rings: File Fit
Comp. Ratio 58cc/64cc: 11.0/9.7
350 2pc Seal
Stroke: 3.750
Disp. @ .030: 383
Rod Length: 5.700
Pistons: -5cc Flat Top
Rings: File Fit
Comp. Ratio 58cc/64cc: 11.0/9.7
View Details
$2,526.99
Estimated to ship direct from manufacturer on 07/29/26, pending manufacturer availability.
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Competition Rotating Assembly -
350 2pc Seal
Stroke: 3.750
Disp. @ .030: 383
Rod Length: 5.700
Pistons: 6cc Dome
Rings: File Fit
Comp. Ratio 58cc/64cc: 12.1/10.5
350 2pc Seal
Stroke: 3.750
Disp. @ .030: 383
Rod Length: 5.700
Pistons: 6cc Dome
Rings: File Fit
Comp. Ratio 58cc/64cc: 12.1/10.5
View Details
$2,756.99
Estimated to ship direct from manufacturer on 07/29/26, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Chevy Small Block 350 2pc Seal Competition Rotating Assemblies3.750" Stroke 6.000" Rods Forged Pistons
Competition Rotating Assembly -
350 2pc Seal
Stroke: 3.750
Disp. @ .030: 383
Rod Length: 6.000
Pistons: -5cc Flat Top
Rings: File Fit
Comp. Ratio 58cc/64cc: 11.0/9.7
350 2pc Seal
Stroke: 3.750
Disp. @ .030: 383
Rod Length: 6.000
Pistons: -5cc Flat Top
Rings: File Fit
Comp. Ratio 58cc/64cc: 11.0/9.7
View Details
$2,540.99
Estimated to ship direct from manufacturer on 07/29/26, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Competition Rotating Assembly -
350 2pc Seal
Stroke: 3.750
Disp. @ .060: 388
Rod Length: 6.000
Pistons: 6cc Dome
Rings: File Fit
Comp. Ratio 58cc/64cc: 12.1/10.5
350 2pc Seal
Stroke: 3.750
Disp. @ .060: 388
Rod Length: 6.000
Pistons: 6cc Dome
Rings: File Fit
Comp. Ratio 58cc/64cc: 12.1/10.5
View Details
$2,427.99
Estimated to ship direct from manufacturer on 07/29/26, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Competition Rotating Assembly -
350 2pc Seal
Stroke: 3.750
Disp. @ .030: 383
Rod Length: 6.000
Pistons: 11cc Dome
Rings: File Fit
Comp. Ratio 58cc/64cc: 12.8/11.0
350 2pc Seal
Stroke: 3.750
Disp. @ .030: 383
Rod Length: 6.000
Pistons: 11cc Dome
Rings: File Fit
Comp. Ratio 58cc/64cc: 12.8/11.0
View Details
$2,346.99
Estimated to ship direct from manufacturer on 07/29/26, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee