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Engine Blocks & Parts
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
Estimated Ship Date: Today
Estimated Ship Date: Today
BUILD IT WITH SUMMIT!
Summit Racing™ SPC Small Block Chevy 350 Engine Block SUM-150200
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
Estimated Ship Date: Today
Estimated Ship Date: Today
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
Estimated Ship Date: Jun 15, 2026 if ordered today
Estimated Ship Date: Jun 15, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Engine Block, Summit, Big Block Chevrolet, Bare, Cast Iron, 4-bolt Main Bolt Style, 9.800 in. Standard Deck, 4.500 in. Bore, Each
Part Number: SUM-150210
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Block, Pro LS, Bare, Cast Iron, 6-bolt Main Bolt Style, 9.240 in. Std Deck, 4 Head Bolt, 4.065 in. Bore, GenIII/IV LS Chevrolet, 6.0/6.2, Each
Part Number: SUM-150215
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Block, Summit, Big Block Chevrolet, Bare, Cast Iron, 4-bolt Main Bolt Style, 10.200 in. Tall Deck, 4.600 in. Bore, Each
Part Number: SUM-150213
Not Yet Reviewed
Estimated Ship Date: May 21, 2026 if ordered today
Estimated Ship Date: May 21, 2026 if ordered today
Engine Block, Ford 351W Cast Iron , 4-Bolt Mains, 9.500 deck, 4.125 in. Bore, 1-Piece Rear Main Seal, Small Block, Each
Part Number: SUM-150205
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Block, Summit, Big Block Chevrolet, Bare, Cast Iron, 4-bolt Main Bolt Style, 9.800 in. Standard Deck, 4.600 in. Bore, Each
Part Number: SUM-150211
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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
Estimated Ship Date: Today
Engine Block, Ford 302 Cast Iron , 4-Bolt Mains, 8.200 in. Deck, 4.125 in. Bore, 1-Piece Rear Main Seal, Small Block, Each
Part Number: SUM-150207
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Block, Pro LS, Bare, Cast Iron, 6-bolt Main Bolt Style, 6 Head bolt Pattern, 9.240 in. Std. Deck 4.125 in. Bore, GenIII/IV LS Chevrolet, Each
Part Number: SUM-150216
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
STD BORE CYLINDER
Part Number: CLW-40004
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Engine Block, Cast Iron , 4-Bolt Mains, 4.000 in. Bore, 1-Piece Rear Main Seal, Ford 302, Small Block, Each
Part Number: DRT-31374175
Need It Sooner? We recommend these similar substitute parts:
Ford Performance Parts Boss 302 Engine Blocks for 1985-1995 MUSTANG - M-6010-BOSS302
Estimated Ship Date: Today
CYL WORKS STD BORE REAR CYL CY
Part Number: CLW-30008
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
STD BORE CYLINDER
Part Number: CLW-20001
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Engine Block, Cast Iron , 4-Bolt Mains, 4.125 in. Bore, 1-Piece Rear Main Seal, Ford 351, Small Block, Each
Part Number: DRT-31375235
Need It Sooner? We recommend these similar substitute parts:
STD BORE CYLINDER
Part Number: CLW-30004
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Engine Block, Cast Iron , 4-Bolt Mains, 4.000 in. Bore, 1-Piece Rear Main Seal, Ford 351, Small Block, Each
Part Number: DRT-31375135
Not Yet Reviewed
Estimated Ship Date: Jun 25, 2026 if ordered today
Estimated Ship Date: Jun 25, 2026 if ordered today
STD BORE CYLINDER
Part Number: CLW-10004
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
CYL WORKS STD BORE FRONT CYL C
Part Number: CLW-30007
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
STANDARD BORE CYLINDER
Part Number: CLW-30011
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
CYLINDER ONLY 95MM/STD KTM/HUSQ/GAS
Part Number: CLW-CW50009
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
STD BORE CYLINDER
Part Number: CLW-20003
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
CYLINDER ONLY 54MM/STD YAM
Part Number: CLW-CW20011
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
