Summit Racing SpeedCard - learn how to get 10% back up to $100

Summit Racing SpeedCard - learn how to get 10% back up to $100

Save With Limited-Time Deals on Exterior Parts & Accessories Today!

Engines, Bare Blocks

Individual Parts

Results 1 - 25 of 39

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

Part Number: SUM-150201

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/28/2025

...Loading

Estimated Ship Date: Monday 4/28/2025

Engine Block, Cast Iron, 400 Mains, 4.115 in. Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: DRT-31162211

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/28/2025

...Loading

Estimated Ship Date: Monday 4/28/2025

Bare Blocks, Dart SHP Pro Series, Cast Iron, 9.025 in. Deck Height, 4.125 in. Bore, 4-Bolt Main, 2 Piece Rear Main Seal, Small Block, Chevy,Each

Part Number: DRT-31162212

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2025 if ordered today

...Loading

Estimated Ship Date: Jun 11, 2025 if ordered today

Engine Block, Cast Iron, 4-Bolt Mains, 4.115 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: WRL-084030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 28, 2025 if ordered today

...Loading

Estimated Ship Date: May 28, 2025 if ordered today

Engine Block, Cast Iron, 4-Bolt Mains, 4.115 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: WRL-084130

4.0 out of 5 stars ( 1 )

Estimated Ship Date: May 28, 2025 if ordered today

...Loading

Estimated Ship Date: May 28, 2025 if ordered today

MOTOWN SBC, 9.025" x 4.120" x 400 mains, billet splayed caps - Raised Camshaft - .842" Bushing

Part Number: WRL-084130RC

Not Yet Reviewed

Estimated Ship Date: May 28, 2025 if ordered today

...Loading

Estimated Ship Date: May 28, 2025 if ordered today

Engines, Bare Blocks, SBC Motown Block, 400 Mains, 9.025 in. Deck Height, 4-bolt Main Bolt Style, Chevrolet, V8, Chevy Small Block Gen I, Each

Part Number: WRL-084130RC-904

Not Yet Reviewed

Estimated Ship Date: May 28, 2025 if ordered today

...Loading

Estimated Ship Date: May 28, 2025 if ordered today

Bare Blocks, Dart Race Series, Aluminum, 9.025 in Deck, 4.000 in. Bore, 4-Bolt Mains,2-Piece Rear Main Seals,BBC Cam Tunnel,® Small Block,Chevy, Each

Part Number: DRT-31712112

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2025 if ordered today

...Loading

Estimated Ship Date: Jun 11, 2025 if ordered today

Bare Blocks, Dart Race Series, Aluminum, 9.325 in Deck, 4.000 in. Bore, 4-Bolt Mains,2-Piece Rear Main Seals,BBC Cam Tunnel,® Small Block,Chevy, Each

Part Number: DRT-31712122

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2025 if ordered today

...Loading

Estimated Ship Date: Jun 11, 2025 if ordered today

Bare Blocks, Dart Race Series, Aluminum, 9.500 in Deck, 4.000 in. Bore, 4-Bolt Mains,2-Piece Rear Main Seals,BBC Cam Tunnel,® Small Block,Chevy, Each

Part Number: DRT-31712132

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2025 if ordered today

...Loading

Estimated Ship Date: Jun 11, 2025 if ordered today

Bare Blocks, Dart Race Series, Aluminum, 9.075 in Deck, 4.125 in. Bore, 4-Bolt Mains,2-Piece Rear Main Seals,BBC Cam Tunnel,® Small Block,Chevy, Each

Part Number: DRT-31712142

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2025 if ordered today

...Loading

Estimated Ship Date: Jun 11, 2025 if ordered today

Engine Block, Aluminum, 4-Bolt Mains, 4.125 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: DRT-31712212

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2025 if ordered today

...Loading

Estimated Ship Date: Jun 11, 2025 if ordered today

Engine Block, Cast Iron, 400 Mains, 4.000 in. Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: DRT-31162111

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2025 if ordered today

...Loading

Estimated Ship Date: Jun 11, 2025 if ordered today

Engine Block, Cast Iron, 4-Bolt Mains, 4.000 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: DRT-31122111

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2025 if ordered today

...Loading

Estimated Ship Date: Jun 11, 2025 if ordered today

Engine Block, Cast Iron, 4-Bolt Mains, 4.000 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: DRT-31122112

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2025 if ordered today

...Loading

Estimated Ship Date: Jun 11, 2025 if ordered today

Engine Block, Cast Iron, 4-Bolt Mains, 4.000 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: DRT-31122121

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2025 if ordered today

...Loading

Estimated Ship Date: Jun 11, 2025 if ordered today

Engine Block, Cast Iron, 4-Bolt Mains, 4.000 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: DRT-31122122

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2025 if ordered today

...Loading

Estimated Ship Date: Jun 11, 2025 if ordered today

Engine Block, Cast Iron, 4-Bolt Mains, 4.125 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: DRT-31122212

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2025 if ordered today

...Loading

Estimated Ship Date: Jun 11, 2025 if ordered today

Engine Block, Cast Iron, 4-Bolt Mains, 4.125 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: DRT-31122221

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 13, 2026 if ordered today

Engine Block, Cast Iron, 4-Bolt Mains, 4.125 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: DRT-31122222

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2025 if ordered today

...Loading

Estimated Ship Date: Jun 11, 2025 if ordered today

Engine Bare Blocks, Dart Race Series, Aluminum, 9.025 in. Deck Height, 4.180 in Bore, 4-Bolt Mains, 2 Piece Rear Main Seals, Chevy Small Block, Each

Part Number: DRT-31512312

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2025 if ordered today

...Loading

Estimated Ship Date: Jun 11, 2025 if ordered today

Engine Bare Blocks, Dart Race Series, Aluminum, 9.025 in. Deck Height, 4.180 in Bore, 4-Bolt Mains, 2 Piece Rear Main Seals, Chevy Small Block, Each

Part Number: DRT-31512313

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2025 if ordered today

...Loading

Estimated Ship Date: Jun 11, 2025 if ordered today

Engine Bare Blocks, Dart Race Series, Aluminum, 9.025 in. Deck Height, 4.180 in Bore, 4-Bolt Mains, 2 Piece Rear Main Seals, Chevy Small Block, Each

Part Number: DRT-31512322

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2025 if ordered today

...Loading

Estimated Ship Date: Jun 11, 2025 if ordered today

Engine Bare Blocks, Dart Race Series, Aluminum, 9.325 in. Deck Height, 4.180 in Bore, 4-Bolt Mains, 2 Piece Rear Main Seals, Chevy Small Block, Each

Part Number: DRT-31512323

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2025 if ordered today

...Loading

Estimated Ship Date: Jun 11, 2025 if ordered today

Engine Bare Blocks, Dart Race Series, Aluminum, 9.500 in. Deck Height, 4.180 in Bore, 4-Bolt Mains, 2 Piece Rear Main Seals, Chevy Small Block, Each

Part Number: DRT-31512332

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2025 if ordered today

...Loading

Estimated Ship Date: Jun 11, 2025 if ordered today

Modal Header

Call To Order

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