Engines & Components

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: Today

• Free Shipping
• $100.00 Summit Bucks

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: Today

• Free Shipping
• $100.00 Summit Bucks

Engine Block, 350 Chevy Small Block, Class 35 German Cast Iron, 4-Bolt 350 Mains, 4.000 in. Unfinished Bore Diameter, 2-Piece Rear Main Seal

Part Number: SUM-150200

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

• Free Shipping
• $100.00 Summit Bucks

Crankshaft, Standard Weight, Forged 4340 Steel, 4.250 in. Engine Stroke, Ford, Big Block FE, Each

Part Number: SCA-4FE200

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

• Free Shipping
• $100.00 Summit Bucks

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: Today

• Free Shipping
• $100.00 Summit Bucks

Crankshaft, 4340 Steel, 2.750 in. Diameter Main, 4.00 in. Stroke, Ford, 351W, Cleveland Mains, Each

Part Number: SCA-4351C50-2

Not Yet Reviewed

Estimated Ship Date: Nov 6, 2025 if ordered today

• Free Shipping
• $100.00 Summit Bucks
• Special Order

Cylinder Heads, Eliminator, Aluminum, Bare, 75cc Combustion Chamber, 195cc Intake, Chevy, Small Block, Pair

Part Number: AFR-1036NP

Not Yet Reviewed

Estimated Ship Date: Sep 29, 2025 if ordered today

• Free Shipping
• $250.00 Summit Bucks
• Special Order

Cylinder Heads, Renegade, Aluminum, 205cc Intake Runner, 60cc Chamber, Ford, Pair

Part Number: AFR-1473

Not Yet Reviewed

Estimated Ship Date: Sep 29, 2025 if ordered today

• Free Shipping
• $250.00 Summit Bucks
• Special Order

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Chevy, 350, Each

Part Number: SCA-435050-2

Not Yet Reviewed

Estimated Ship Date: Nov 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• $100.00 Summit Bucks
• Special Order

350 1-PC REAR SEAL PROCOMP LIGHTWEIGHT

Part Number: SCA-435010L-2

Not Yet Reviewed

Estimated Ship Date: Nov 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• $100.00 Summit Bucks
• Special Order

4340 Forged Pro Series

Part Number: SCA-435018-2

Not Yet Reviewed

Estimated Ship Date: Nov 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• $100.00 Summit Bucks
• Special Order

4340 Forged Pro Series

Part Number: SCA-435022-2

Not Yet Reviewed

Estimated Ship Date: Nov 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• $100.00 Summit Bucks
• Special Order

4340 Forged Pro Series

Part Number: SCA-435028-2

Not Yet Reviewed

Estimated Ship Date: Nov 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• $100.00 Summit Bucks
• Special Order

S&S Cycle 84-91 BT w/ 3-5/8in Bore Super Stock Alternator Style Crankcase - Natural

Part Number: SSY-31-0001

Not Yet Reviewed

Estimated Ship Date: Sep 2, 2025 if ordered today

• Free Shipping
• $10.00 Summit Bucks
• Special Order

S&S Cycle 92-99 BT w/ 4in Bore Special Application Crankcase - Natural

Part Number: SSY-31-0047

Not Yet Reviewed

Estimated Ship Date: Sep 2, 2025 if ordered today

• Free Shipping
• $10.00 Summit Bucks
• Special Order

S&S Cycle 84-91 BT w/ Stock Bore Super Stock Alternator Style Crankcase - Wrinkle Black

Part Number: SSY-31-0052

Not Yet Reviewed

Estimated Ship Date: Sep 2, 2025 if ordered today

• Free Shipping
• $10.00 Summit Bucks
• Special Order

S&S Cycle 92-99 BT w/ Stock Bore Super Stock Alternator Syle Crankcase - Wrinkle Black

Part Number: SSY-31-0055

Not Yet Reviewed

Estimated Ship Date: Sep 2, 2025 if ordered today

• Free Shipping
• $10.00 Summit Bucks
• Special Order

HEAD ASM,CYL (W/ VLV)

Part Number: ADO-24590781

Not Yet Reviewed

Estimated Ship Date: Sep 24, 2025 if ordered today

• Free Shipping
• $20.00 Summit Bucks
• Special Order

Cylinder Heads, Aluminum, Bare, 75cc Combustion Chamber, 180cc Intake, Chevy, Small Block, Pair

Part Number: AFR-0911NP

Not Yet Reviewed

Estimated Ship Date: Sep 29, 2025 if ordered today

• Free Shipping
• $250.00 Summit Bucks
• Special Order

4340 Forged Pro Series

Part Number: SCA-435032-2

Not Yet Reviewed

Estimated Ship Date: Nov 6, 2025 if ordered today

• Free Shipping
• $100.00 Summit Bucks
• Special Order

Cylinder Heads, 185cc SBF Renegade 20 Degree Street Heads, Aluminum, Bare, 58cc Chamber, 185cc Intake, Ford, Small Block Windsor, Pair

Part Number: AFR-1385

Not Yet Reviewed

Estimated Ship Date: Sep 29, 2025 if ordered today

• Free Shipping
• $250.00 Summit Bucks
• Special Order

Cylinder Heads, Aluminum, 68cc Combustion Chamber, 185cc Intake, Ford, Small Block, Pair

Part Number: AFR-1386

Not Yet Reviewed

Estimated Ship Date: Sep 29, 2025 if ordered today

• Free Shipping
• $250.00 Summit Bucks
• Special Order

Cylinder Heads, Aluminum, 72cc Combustion Chamber, 185cc Intake, Ford, Small Block, Pair

Part Number: AFR-1421

Not Yet Reviewed

Estimated Ship Date: Sep 29, 2025 if ordered today

• Free Shipping
• $250.00 Summit Bucks
• Special Order

Cylinder Heads, Renegade 20, Aluminum, 185cc Intake Runner, 70cc Chamber, Ford, Pair

Part Number: AFR-1423

Not Yet Reviewed

Estimated Ship Date: Sep 29, 2025 if ordered today

• Free Shipping
• $250.00 Summit Bucks
• Special Order