1981 Engines & Components

Cylinder Heads, Magnum Competition, Aluminum, Assembled, 121cc Chamber, 385cc Intake, Chevy, Pair

Part Number: AFR-2020-TI

Not Yet Reviewed

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Cylinder Heads, Aluminum, Assembled, 65cc Combustion Chamber, 220cc Intake, Chevy, Small Block, Pair

Part Number: AFR-1110

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Cylinder Heads, E-Street, Aluminum, Assembled, 70cc Chamber, 185cc Intake Runner, Chevy, Small Block, Pair

Part Number: EDL-5073

3.93 out of 5 stars ( 14 )

Estimated Ship Date: Today

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Cylinder Head, Freedom, Aluminum, Assembled, 64 cc Chamber, 225 cc Intake Runner, Straight Plug, Chevy, Pair

Part Number: PMX-2121

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Engine Rotating Assembly, Series 9000, Cast Crank, Forged Pistons, I-Beam Rods, Ford, Small Block, Kit

Part Number: SCA-1-94055

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Engine Rotating Assembly, Series 9000, Cast Crank, Forged Pistons, I-Beam Rods, Ford, Big Block, Kit

Part Number: SCA-1-95105BE

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, 2.100 in. Pin, Chevy, 350

Part Number: CPI-SAF113-CM

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Crankshaft, 2-Piece Seal, External Balance, Cast Steel, 4.000 in. Stroke, Chevy, 454, Each

Part Number: SCA-910454

4.92 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Cylinder Heads, Street Porting, Aluminum, Assembled, 72cc Chamber, 185cc Intake, Ford, Small Block, Pair

Part Number: AFR-1387

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Cylinder Heads, Assembled, E-205 Small-Block Ford, Pair

Part Number: EDL-5027

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Cylinder Heads, Competition Porting, Aluminum, Assembled, 65cc Chamber, 210cc Intake, Chevy, Small Block, Pair

Part Number: AFR-1103

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Crankshaft, Internal Balance, Cast Steel, 3.75 in. Stroke, Chevy, 350 Mains, Each

Part Number: SCA-935056

3.78 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Pulley Set, Standard Ratio, Serpentine, Aluminum, Clear Powdercoated, With Power Steering, Ford, 302, 351W, Kit

Part Number: MCH-30490

3.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Cylinder Heads, Magnum, Aluminum, Assembled, 113cc Chamber, 300cc Intake, Chevy, Pair

Part Number: AFR-3670

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Engine Rotating Assembly, Series 9000, Cast Crank, Forged Pistons, I-Beam Rods, Mopar, Small Block, Kit

Part Number: SCA-1-98112BI

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Crankshaft, Cast Steel, Two Piece Rear Main Seal, 3.480 in. Stroke, Use With 5.70 in. Rod, Chevy, 350, Each

Part Number: SCA-935010

5.0 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Crankshaft, 28 oz. External Balance, Cast Steel, 3.50 in. Stroke, Ford, 351W, Each

Part Number: SCA-9351W05

4.5 out of 5 stars ( 10 )

Estimated Ship Date: Today

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Cylinder Heads, Street Porting, Aluminum, Assembled, 58cc Chamber, 165cc Intake, Pedestal, SBF, Pair

Part Number: AFR-1472

4.11 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Crate Engine, Ford 502 515 HP Stage 3 Long Block, Assembled, Hydraulic Flat Tappet, Internal Balance, Aluminum Heads, Ford, Big Block 385 Series, Each

Part Number: HPE-HP102C

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• Core Charge $650.00
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Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, 2.200 in. Pin, Chevy, 454

Part Number: CPI-BBP425-CS

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Cylinder Heads, Competition Porting, Aluminum, Assembled, 65cc Chamber, 227cc Intake, Chevy, Small Block, Pair

Part Number: AFR-1121

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Accessory Drive Systems, Chevy Front Runner Engine Drive Systems, Serpentine, Chrome Pulleys, Chrome Alternator, Chevrolet, Small Block, Kit

Part Number: VTA-174021

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 3.75 in. Stroke, Chevy, 350, Each

Part Number: ESP-10350375057I

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Gen. 4 BB Chevy Forged Steel Crank, 4.250 stroke, Two Piece Rear Seal, Req's Narrowed Rod Bearings, Lightened holes, Nitride, 6.385 in. Rod

Part Number: SUM-BBC425063851

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Accessory Drive System, Serpentine, 6-groove, Black Anodized Finished, Power Steering, Air Conditioning, Chevy, Small Block, Kit

Part Number: AAY-FDS-SBC-201

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 20, 2026 if ordered today

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