$20 Off $250 / $40 Off $500 / $80 Off $1000 - Use Promo Code: CYBER

$20 Off $250 / $40 Off $500 /
$80 Off $1000 - Use Promo Code: CYBER

Summit Racing SpeedCard - learn how to get 15% back - Get Details!

Selected Filters


Availability


Engines, Bare Blocks

Individual Parts

Results 1 - 6 of 6

Engine Block, 400 Chevy Small Block, Class 35 German Cast Iron, 4-Bolt 350 Mains, 4.125 in. Unfinished Bore Diameter, 2-Piece Rear Main Seal

Part Number: SUM-150202

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/1/2025

...Loading

Estimated Ship Date: Monday 12/1/2025

This product may not be eligible for select promotional offers

Engine Block, 350 Chevy Small Block, Class 35 German Cast Iron, 4-Bolt 350 Mains, 4.000 in. Unfinished Bore Diameter, 1-Piece Rear Main Seal

Part Number: SUM-150203

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/1/2025

...Loading

Estimated Ship Date: Monday 12/1/2025

This product may not be eligible for select promotional offers

Engine Block, 400 Chevy Small Block, Class 35 German Cast Iron, 4-Bolt 350 Mains, 4.125 in. Unfinished Bore Diameter, 1-Piece Rear Main Seal

Part Number: SUM-150204

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

...Loading

Estimated Ship Date: Monday 12/1/2025

This product may not be eligible for select promotional offers

Bare Blocks, Dart Little M Series, Cast Iron, 9.500 in. Deck Height, 4.125 in. Bore, 4-Bolt Main, 2-Piece Rear Main Seal, Small Block, Chevy, Each

Part Number: DRT-31181235

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

...Loading

Estimated Ship Date: Monday 12/1/2025

This product may not be eligible for select promotional offers

Engine Block, Cast Iron, 4-Bolt Mains, 3.995 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: WRL-084080

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 29, 2025 if ordered today

This product may not be eligible for select promotional offers

  • 1
  • Page 1 of 1

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.