BBC Engines - ATK High Performance Engine https://atkhp.com/product-category/gm-crate/gm-short-block/gm-short-bbc-engines/ Building Performance Engines Since 1936 Thu, 23 May 2024 22:06:05 +0000 en-US hourly 1 https://wordpress.org/?v=6.5.5 https://atkhp.com/wp-content/uploads/2022/12/cropped-ATKHP300x300-32x32.png BBC Engines - ATK High Performance Engine https://atkhp.com/product-category/gm-crate/gm-short-block/gm-short-bbc-engines/ 32 32 ATK SP45 Chevy 598 Short Block Flat Top Pistons https://atkhp.com/product/atk-sp45-chevy-598-short-block-flat-top-pistons/ https://atkhp.com/product/atk-sp45-chevy-598-short-block-flat-top-pistons/#respond Thu, 01 Jun 2023 21:23:40 +0000 https://atkhp.com/?post_type=product&p=5006 Engine Specifications: • Block: Dart Big M Sportsman 10.2 tall deck 4 bolt main 2pc rear main seal • Bore/Stroke: 4.600” x 4.500” • Displacement: 598CI • Crankshaft: Manley 4340 forged internally balanced • Rods: Manley 4340 forged H beam with ARP 8740 bolts • Pistons: 2618 Forged -3cc flat top • Compression Ratios: 112cc […]

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Engine Specifications:
• Block: Dart Big M Sportsman 10.2 tall deck 4 bolt main 2pc rear main seal
• Bore/Stroke: 4.600” x 4.500”
• Displacement: 598CI
• Crankshaft: Manley 4340 forged internally balanced
• Rods: Manley 4340 forged H beam with ARP 8740 bolts
• Pistons: 2618 Forged -3cc flat top
• Compression Ratios: 112cc = 10.8:1 / 118cc = 10.3:1 / 121cc = 10.1:1 (can vary due to deck height/gasket thickness)
• Rings: Plasmamoly
• Camshaft Bearings: Dura-Bond, installed and clocked to OEM position
• Freeze Plugs: Brass, installed and sealed
• Oil Galley Plugs: Installed and sealed

Recommended Components:
• Balancer: Internal balance
• Flexplate/Flywheel: Internal balance
• Head Gasket: .038” or per application

Engine Info:
• Oil: 10W30 Conventional / Non Synthetic for first 3000 miles
• Oil Filter: Wix or K&N per application

 

 

Disclaimer: The recommended components listed are ATK’s recommendations of parts to be used, applications vary and your build may need something different. Contact ATK for a recommendation if you’re not certain about a component to use. It is the customer’s responsibility to verify components will work in their application. Some modifications to the vehicle may be required using these and or other aftermarket parts. ATK reserves the right to substitute parts used in engines if necessary.

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ATK SP44 Chevy 540CI Short Block -10cc Dome Pistons https://atkhp.com/product/atk-sp44-chevy-540ci-short-block-10cc-dome-pistons/ https://atkhp.com/product/atk-sp44-chevy-540ci-short-block-10cc-dome-pistons/#respond Thu, 01 Jun 2023 21:20:48 +0000 https://atkhp.com/?post_type=product&p=5001 Engine Specifications: • Block: Dart Big M Sportsman 4 bolt main 2pc rear main seal • Bore/Stroke: 4.500” x 4.250” • Displacement: 540CI • Crankshaft: Manley 4340 forged internally balanced • Rods: Manley 4340 forged H beam with ARP 8740 bolts • Pistons: 2618 Forged +10cc dome with single valve relief • Compression Ratios: 112cc […]

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Engine Specifications:
• Block: Dart Big M Sportsman 4 bolt main 2pc rear main seal
• Bore/Stroke: 4.500” x 4.250”
• Displacement: 540CI
• Crankshaft: Manley 4340 forged internally balanced
• Rods: Manley 4340 forged H beam with ARP 8740 bolts
• Pistons: 2618 Forged +10cc dome with single valve relief
• Compression Ratios: 112cc = 10.9:1 / 118cc = 10.4:1 / 121cc = 10.2:1 (can vary due to deck height/gasket thickness)
• Rings: Plasmamoly
• Camshaft Bearings: Dura-Bond, installed and clocked to OEM position
• Freeze Plugs: Brass, installed and sealed
• Oil Galley Plugs: Installed and sealed

Recommended Components:
• Balancer: Internal balance
• Flexplate/Flywheel: Internal balance
• Head Gasket: .038” or per application

Engine Info:
• Oil: 10W30 Conventional / Non Synthetic for first 3000 miles
• Oil Filter: Wix or K&N per application

 

 

Disclaimer: The recommended components listed are ATK’s recommendations of parts to be used, applications vary and your build may need something different. Contact ATK for a recommendation if you’re not certain about a component to use. It is the customer’s responsibility to verify components will work in their application. Some modifications to the vehicle may be required using these and or other aftermarket parts. ATK reserves the right to substitute parts used in engines if necessary.

The post ATK SP44 Chevy 540CI Short Block -10cc Dome Pistons appeared first on ATK High Performance Engine.

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ATK SP41-1P Chevy 489/496CI Stroker Short Block +20cc Dome Pistons 1pc Seal https://atkhp.com/product/atk-sp41-1p-chevy-489-496ci-stroker-short-block-20cc-dome-pistons-1pc-seal/ https://atkhp.com/product/atk-sp41-1p-chevy-489-496ci-stroker-short-block-20cc-dome-pistons-1pc-seal/#respond Thu, 01 Jun 2023 21:10:50 +0000 https://atkhp.com/?post_type=product&p=4998 Engine Specifications: • Block: OE seasoned 454 block 4 bolt main 1pc seal 1991-1995 Gen V • Bore/Stroke: up to 4.310” x 4.200” • Displacement: 489/496 • Crankshaft: Scat 4340 forged 4.250” stroke internally balanced 1pc seal • Rods: Scat 4340 forged H beam 6.385” with ARP 8740 bolts • Pistons: Forged +20cc dome • […]

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Engine Specifications:
• Block: OE seasoned 454 block 4 bolt main 1pc seal 1991-1995 Gen V
• Bore/Stroke: up to 4.310” x 4.200”
• Displacement: 489/496
• Crankshaft: Scat 4340 forged 4.250” stroke internally balanced 1pc seal
• Rods: Scat 4340 forged H beam 6.385” with ARP 8740 bolts
• Pistons: Forged +20cc dome
• Compression Ratios: 112cc = 10.9:1 / 118cc = 10.4:1 / 124cc = 9.9:1 (can vary due to deck height/gasket thickness)
• Rings: Plasmamoly
• Camshaft Bearings: Dura-Bond, installed and clocked to OEM position
• Freeze Plugs: Brass, installed and sealed
• Oil Galley Plugs: Installed and sealed

Recommended Components:
• Balancer: Internal balance
• Flexplate/Flywheel: Internal balance
• Head Gasket: .038” or per application

Engine Info:
• Oil: 10W30 Non synthetic for first 3000 miles
• Oil Filter: Wix or K&N per application

Notes:
• No mechanical fuel pump provisions

 

Disclaimer: The recommended components listed are ATK’s recommendations of parts to be used, applications vary and your build may need something different. Contact ATK for a recommendation if you’re not certain about a component to use. It is the customer’s responsibility to verify components will work in their application. Some modifications to the vehicle may be required using these and or other aftermarket parts. ATK reserves the right to substitute parts used in engines if necessary.

The post ATK SP41-1P Chevy 489/496CI Stroker Short Block +20cc Dome Pistons 1pc Seal appeared first on ATK High Performance Engine.

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ATK SP98 Chevy 489/496CI Stroker Short Block +20cc Dome Pistons 1pc Seal https://atkhp.com/product/atk-sp98-chevy-489-496ci-stroker-short-block-20cc-dome-pistons-1pc-seal/ https://atkhp.com/product/atk-sp98-chevy-489-496ci-stroker-short-block-20cc-dome-pistons-1pc-seal/#respond Thu, 01 Jun 2023 21:08:53 +0000 https://atkhp.com/?post_type=product&p=4996 Engine Specifications: • Block: OE seasoned 454 block 4 bolt main 1pc seal 1991-1995 Gen V • Bore/Stroke: up to 4.310” x 4.200” • Displacement: 489/496 • Crankshaft: Scat nodular iron 4.250” stroke internally balanced 1pc seal • Rods: Scat 4340 forged I beam 6.385” with ARP 8740 bolts • Pistons: Forged +20cc dome • […]

The post ATK SP98 Chevy 489/496CI Stroker Short Block +20cc Dome Pistons 1pc Seal appeared first on ATK High Performance Engine.

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Engine Specifications:
• Block: OE seasoned 454 block 4 bolt main 1pc seal 1991-1995 Gen V
• Bore/Stroke: up to 4.310” x 4.200”
• Displacement: 489/496
• Crankshaft: Scat nodular iron 4.250” stroke internally balanced 1pc seal
• Rods: Scat 4340 forged I beam 6.385” with ARP 8740 bolts
• Pistons: Forged +20cc dome
• Compression Ratios: 112cc = 10.9:1 / 118cc = 10.4:1 / 124cc = 9.9:1 (can vary due to deck height/gasket thickness)
• Rings: Plasmamoly
• Camshaft Bearings: Dura-Bond, installed and clocked to OEM position
• Freeze Plugs: Brass, installed and sealed
• Oil Galley Plugs: Installed and sealed

Recommended Components:
• Balancer: Internal balance
• Flexplate/Flywheel: Internal balance
• Head Gasket: .038” or per application

Engine Info:
• Oil: 10W30 Non synthetic for first 3000 miles
• Oil Filter: Wix or K&N per application

Notes:
• No mechanical fuel pump provisions

 

Disclaimer: The recommended components listed are ATK’s recommendations of parts to be used, applications vary and your build may need something different. Contact ATK for a recommendation if you’re not certain about a component to use. It is the customer’s responsibility to verify components will work in their application. Some modifications to the vehicle may be required using these and or other aftermarket parts. . ATK reserves the right to substitute parts used in engines if necessary.

The post ATK SP98 Chevy 489/496CI Stroker Short Block +20cc Dome Pistons 1pc Seal appeared first on ATK High Performance Engine.

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ATK SP108 Chevy 632CI Short Block +3.4cc Flat Tops https://atkhp.com/product/atk-sp108-chevy-632ci-short-block-3-4cc-flat-tops/ Thu, 27 Apr 2023 18:45:22 +0000 https://atkhp.com/?post_type=product&p=4420 Engine Specifications: • Block: Dart Big M Sportsman 4 bolt main 2pc rear main seal • Bore/Stroke: 4.600” x 4.750” • Displacement: 632CI • Crankshaft: Scat 4340 forged internally balanced • Rods: Scat 4340 forged H beam with ARP 8740 bolts • Pistons: 2618 Forged +3.4cc Flat Tops • Compression Ratios: 112cc = 11.3:1 / […]

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Engine Specifications:
• Block: Dart Big M Sportsman 4 bolt main 2pc rear main seal
• Bore/Stroke: 4.600” x 4.750”
• Displacement: 632CI
• Crankshaft: Scat 4340 forged internally balanced
• Rods: Scat 4340 forged H beam with ARP 8740 bolts
• Pistons: 2618 Forged +3.4cc Flat Tops
• Compression Ratios: 112cc = 11.3:1 / 118cc = 10.8:1 / 121cc = 10.6:1 (can vary due to deck height/gasket thickness)
• Rings: Plasmamoly
• Camshaft Bearings: Dura-Bond, installed and clocked to OEM position
• Freeze Plugs: Brass, installed and sealed
• Oil Galley Plugs: Installed and sealed

Recommended Components:
• Balancer: Internal balance
• Flexplate/Flywheel: Internal balance
• Head Gasket: .038” or per application

Engine Info:
• Oil: 10W30 Conventional / Non Synthetic for first 3000 miles
• Oil Filter: Wix or K&N per application
• Head Gaskets: .038” or per application

 

Disclaimer: The recommended components listed are ATK’s recommendations of parts to be used, applications vary and your build may need something different. Contact ATK for a recommendation if you’re not certain about a component to use. It is the customer’s responsibility to verify components will work in their application. Some modifications to the vehicle may be required using these and or other aftermarket parts. . ATK reserves the right to substitute parts used in engines if necessary.

The post ATK SP108 Chevy 632CI Short Block +3.4cc Flat Tops appeared first on ATK High Performance Engine.

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