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Replacement Parts

Automotive Replacement Engine Blocks

10 Best Automotive Replacement Engine Blocks 2025 in the United States

From leading brands and best sellers available on the web.

MAS HEI Distributor & Spark Plug Wires & FREE 170072 and Tachometer Pigtail Wire Harness Combo Kit Cap and Rotor kit Replacement For Chevy 302 454 Chevrolet C10 GMC SBC BBC 350 400

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Winner

MAS

Editor’s Choice

MAS Racing HEI Distributor&Spark Plug Wires & Free Pigtail Wire Harness Combo Kit Red Cap Replacement for Chevy 283 302 307 327 350 396 400 402 427 454 gm SBC BBC 65k Coil 7500RPM Chevrolet C10 GMC V8

9.9

score

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MAS HEI Distributor & Spark Plug Wires & FREE 170072 and Tachometer Pigtail Wire Harness Combo Kit Cap and Rotor kit Replacement For Chevy 302 454 Chevrolet C10 GMC SBC BBC 350 400

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Hotstart

HOTSTART ENGINE HEATER TPS151GT10-000 COOLANT PRE-HEATER - Original - 1 YEAR WARRANTY

9.8

score

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Rimamoka

Rimamoka Battery Distribution Fuse Block Compatible with 2015-2020 Chevrolet Suburban Tahoe GMC Yukon Cadillac Escalade 2014-2016 Chevrolet Silverado GMC Sierra 1500 2500 HD 3500 HD Replace# 84354716

9.7

score

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Zerostart

Zerostart 3500043 Engine Block Heater for Ford, Mercury, Lincoln, International, Caterpillar, Detroit Diesel, Hino, Mack, Nissan, 3/4" NPT Thread | CSA Approved | 120 Volts | 1000 Watts

9.5

score

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KAT'S

Kat's - 1155X 1155 200 Watt Magnetic Heater

9.4

score

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BRSUNAVOM

Stainless Steel Small Block Engine Hex Bolt Kit For Chevy 265 283 302 305 307 327 350 400 SBC Engine (211 Pcs Nuts&Bolts)

9.2

score

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CARMOCAR

CARMOCAR Performance replacement for Chevy/gm SBC BBC Small Block/big Block 65k coil 7500RPM Hei Distributor 350 454 302 V8

8.9

score

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KAT'S

Kat's 13150 1500 Watt Aluminum Circulating Tank Heater (13150X)

8.7

score

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Speedway Motors

SoloSwap™ Chevy LS Mock Up Engine Swap Long-Block w/Heads, Long Block Version Weighs 35 Pounds, Includes Bolt-On Fabricated Steel Mock-Up Heads and Hardware for Assembly

8.4

score

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#10

Hard Blok

Hard Blok Engine Block Filler, Tall Fill, 28 lb Bucket, Each (860228)

8.2

score

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More products we considered

MAS Racing HEI Distributor&Spark Plug Wires & Free Pigtail Wire Harness Combo Kit Red Cap Replacement for Chevy 283 302 307 327 350 396 400 402 427 454 gm SBC BBC 65k Coil 7500RPM Chevrolet C10 GMC V8

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MAS Performance Ignition Distributor w/Cap & Rotor compatible with Chevy/GM SBC 350 BBC 454 HEI 65k coil 7500RPM DD-SBC-HEI-V8 850001R

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MAS Red Ignition Distributor W/Cap & Rotor Compatible with GMC Jimmy C1500 C2500 Truck S15 Sonoma Safari Pontiac Grand Prix Olds Bravada Replacement For 10472052 10482827

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MAS Ignition Distributor & 8pcs ACDelco Platinum Spark Plugs & Wires Set Compatible with GMC Yukon Cadillac Escalade Chevrolet C1500 Tahoe V8 5.7L 5.0 Replacement for GM01 12570425 DST1829 1104079

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MAS Ignition Distributor W/Cap & Rotor Compatible with Nissan Pathfinder Frontier Quest Xterra Infiniti QX4 Mercury Villager 3.3L V6 Replacement for 22100-1W601

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10 Best Automotive Replacement Engine Blocks 2025 in the United States

MAS HEI Distributor & Spark Plug Wires & FREE 170072 and Tachometer Pigtail Wire Harness Combo Kit Cap and Rotor kit Replacement For Chevy 302 454 Chevrolet C10 GMC SBC BBC 350 400

MAS Racing HEI Distributor&Spark Plug Wires & Free Pigtail Wire Harness Combo Kit Red Cap Replacement for Chevy 283 302 307 327 350 396 400 402 427 454 gm SBC BBC 65k Coil 7500RPM Chevrolet C10 GMC V8

MAS HEI Distributor & Spark Plug Wires & FREE 170072 and Tachometer Pigtail Wire Harness Combo Kit Cap and Rotor kit Replacement For Chevy 302 454 Chevrolet C10 GMC SBC BBC 350 400

HOTSTART ENGINE HEATER TPS151GT10-000 COOLANT PRE-HEATER - Original - 1 YEAR WARRANTY

Rimamoka Battery Distribution Fuse Block Compatible with 2015-2020 Chevrolet Suburban Tahoe GMC Yukon Cadillac Escalade 2014-2016 Chevrolet Silverado GMC Sierra 1500 2500 HD 3500 HD Replace# 84354716

Zerostart 3500043 Engine Block Heater for Ford, Mercury, Lincoln, International, Caterpillar, Detroit Diesel, Hino, Mack, Nissan, 3/4" NPT Thread | CSA Approved | 120 Volts | 1000 Watts

Kat's - 1155X 1155 200 Watt Magnetic Heater

MAS Ignition Distributor w/Cap and Rotor Compatible with 606-02302 606-02257 1103838 1103698 Chevy GMC C/K Pickup Truck Van Camaro 5.0L 5.7L 7.4L

MAS Performance HEI Distributor & Spark Plug Wires & Free Pigtail Wire Harness Combo Kit Compatible with Chevy GMC SBC 305 350 BBC 454 65k Coil 7500RPM DD-SBC-HEI-V8 Replacement for 850001R

MAS Ignition Distributor w/Cap & Rotor compatible with Ford 351C 351M 400 429 460 HEI 65,000 Volt Coil KA-1046013 PE332U JM6506BL 351CBLHEI0 (BLUE)

MAS Performance HEI Ignition Distributor w/Cap & Rotor and Spark plug Wire set Compatible with Ford 351C 351M 400 429 460 HEI 65,000 Volt Coil KA-1046013 PE332U JM6506BL 351CBLHEI0(Blue HEI Kit)

MAS Ignition Distributor w/Cap & Rotor 1045511 403RHEI for 1968-1976 Oldsmobile OLDS V8 HEI 260 307 350 403 455 Engine PC6009 PE328 KA-1045511

Stainless Steel Small Block Engine Hex Bolt Kit For Chevy 265 283 302 305 307 327 350 400 SBC Engine (211 Pcs Nuts&Bolts)

CARMOCAR Performance replacement for Chevy/gm SBC BBC Small Block/big Block 65k coil 7500RPM Hei Distributor 350 454 302 V8

Kat's 13150 1500 Watt Aluminum Circulating Tank Heater (13150X)

SoloSwap™ Chevy LS Mock Up Engine Swap Long-Block w/Heads, Long Block Version Weighs 35 Pounds, Includes Bolt-On Fabricated Steel Mock-Up Heads and Hardware for Assembly

Hard Blok Engine Block Filler, Tall Fill, 28 lb Bucket, Each (860228)

Automotive Replacement Engine Mounts

Automotive Replacement Engine Fan Flexes

Automotive Replacement Engine Relays

Automotive Replacement Engine Radiators

Automotive Replacement Engine Lifters

MAS Racing HEI Distributor&Spark Plug Wires & Free Pigtail Wire Harness Combo Kit Red Cap Replacement for Chevy 283 302 307 327 350 396 400 402 427 454 gm SBC BBC 65k Coil 7500RPM Chevrolet C10 GMC V8

MAS Performance Ignition Distributor w/Cap & Rotor compatible with Chevy/GM SBC 350 BBC 454 HEI 65k coil 7500RPM DD-SBC-HEI-V8 850001R

MAS Red Ignition Distributor W/Cap & Rotor Compatible with GMC Jimmy C1500 C2500 Truck S15 Sonoma Safari Pontiac Grand Prix Olds Bravada Replacement For 10472052 10482827

MAS Ignition Distributor & 8pcs ACDelco Platinum Spark Plugs & Wires Set Compatible with GMC Yukon Cadillac Escalade Chevrolet C1500 Tahoe V8 5.7L 5.0 Replacement for GM01 12570425 DST1829 1104079

MAS Ignition Distributor W/Cap & Rotor Compatible with Nissan Pathfinder Frontier Quest Xterra Infiniti QX4 Mercury Villager 3.3L V6 Replacement for 22100-1W601