Engine Blocks & Parts | Summit Racing

Top Street Performance Oil Galley Plugs 81081-2

GM GEN III/IV LS BILLET ALUMINUM FRONT OIL GALLEY PLUG

Part Number: TSN-81081-2

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

Top Street Performance Oil Galley Plugs 81081-3

GM GEN III/IV LS BILLET ALUMINUM OIL FILTER BYPASS VALVE DELETE PLUG

Part Number: TSN-81081-3

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

Philadelphia Racing Products Rear Main Seal Adapters PRP-8576

Billet Main Seal Covers, Black Billet LS Rear Main Seal Cover

Part Number: PGP-PRP-8576

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

Top Street Performance Oil Galley Plugs 81081-1

GM GEN III/IV LS BILLET ALUMINUM ENGINE BLOCK OIL GALLEY BARBELL PLUG

Part Number: TSN-81081-1

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

Top Street Performance Main Cap Fasteners 734-131955

PRO SERIES MAIN STUD KIT - GM GEN III/IV LS, LSX, 12-PT

Part Number: TSN-734-131955

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

Top Street Performance Rear Main Seal Housings 81069

GM GEN III/IV LS ALUMINUM REAR MAIN SEAL HOUSINGS, SATIN

Part Number: TSN-81069

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

Top Street Performance Rear Main Seal Housings 81069BK

GM GEN III/IV LS ALUMINUM REAR MAIN SEAL HOUSINGS, BLACK

Part Number: TSN-81069BK

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

COMP Cams Engine Expansion Plugs 253

FINISHING KIT, GM LS ENGINE 2001-2013 4.8L TO 7.0L

Part Number: CCA-253

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Moroso Rear Motor Cover Fasteners 38805

BOLT KIT, REAR SEAL COVER, 12 BOLTS, GM LS

Part Number: MOR-38805

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

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

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Summit Racing™ SPC Engine Blocks SUM-150202

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

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Summit Racing™ SPC Small Block Chevy 400 Engine Block SUM-150201

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

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Chevrolet Performance LSX Bowtie Engine Blocks 19417352

Engine Block, LSX Bowtie, Bare, Cast Iron, 6-bolt Main Bolt Style, 9.240 in. Standard Deck, Chevrolet, Each

Part Number: NAL-19417352

Not Yet Reviewed

Estimated Ship Date: Today

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Chevrolet Performance LSX Bowtie Engine Blocks 19417351

Engine Block, LSX Bowtie, Bare, Cast Iron, 6-bolt Main Bolt Style, 9.260 in. Standard Deck, Semi Finished, Chevrolet, Each

Part Number: NAL-19417351

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ SPC LS Engine Block SUM-150215

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Summit Racing™ SPC Big Block Chevy Engine Block SUM-150210

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

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Summit Racing™ SPC Small Block Chevy 350 Engine Block SUM-150203

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: Today

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Summit Racing™ SPC Small Block Chevy 400 Engine Block SUM-150204

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

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Summit Racing™ SPC Ford 302 Engine Block SUM-150206

Engine Block, Ford 302 Cast Iron , 4-Bolt Mains, 8.200 in. Deck, 4.000 in. Bore, 1-Piece Rear Main Seal, Small Block, Each

Part Number: SUM-150206

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Summit Racing™ SPC Ford 302 Engine Block SUM-150207

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

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Summit Racing™ SPC Ford 351W Engine Block SUM-150205

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

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Earl's Performance Oil Cooler Block-Off Plates 1137ERL

Oil Cooler Block-Off Plate, Billet Aluminum, Black, Anodized, 1/8 in. NPT Port, Chevrolet, Gen V, LT, Each

Part Number: EAR-1137ERL

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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BTR Oil Galley Barbell Plugs BTR73460

Oil Galley Plug, Chevrolet, Small Block Gen III/IV, Each

Part Number: BTC-BTR73460

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Earl's Performance Oil Cooler Block-Off Plates 1136ERL

Oil Cooler Block-Off Plates, Aluminum, Black Anodized, Cadillac, Chevrolet, GMC, Each

Part Number: EAR-1136ERL

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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ARP Rear Motor Cover Fasteners 434-1503

ARP Rear Motor Cover Fasteners 434-1503

Rear Motor Cover Bolts, Hex Head, Stainless Steel, Polished, Washers, Chevy, 4.8L, 5.3L, 6.0L, Kit

Part Number: ARP-434-1503

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Summit Racing™ SPC Big Block Chevy Engine Block SUM-150213

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

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