Engines & Engine Parts

Pro LS 4340 Rotating Assembly, 408 Cid., 4.030 bore, 4.000 stroke, 58x, 6.125 rod, 20cc dish, 9.8:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R584003020

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

Piston Rings, Moly, 96.012mm Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: SLP-E-937K

4.56 out of 5 stars ( 18 )

Estimated Ship Date: Monday 11/10/2025

Cylinder Head, DHC™ 200, CNC Street Ported, Assembled, 1.47 in. Springs, With Accessory Holes, Chevy, Each

Part Number: TFS-30210006-C00

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

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Cylinder Head, Victor Jr. 24 degree Rectangular Port, Aluminum, Assembled, Chevy, Big Block, Each

Part Number: EDL-77485

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/10/2025

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Connecting Rods, SIR 5140 Steel I-Beam, Bushed, Chevy, Small Block, Set of 8

Part Number: ESP-5700BBLW

4.57 out of 5 stars ( 14 )

Estimated Ship Date: Monday 11/10/2025

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Oil Pan, Steel, Black Painted, 5 qt., Front Sump, Ford, Small Block, Each

Part Number: SUM-G3520B

4.18 out of 5 stars ( 33 )

Estimated Ship Date: Monday 11/10/2025

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Rocker Arm, Intake, OEM Replacement, Chrysler, Dodge, Jeep, Ram, Gen III Hemi, Each

Part Number: MOP-53021552AB

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 11/10/2025

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Rocker Arms, Pedestal Mount, Full Roller, Aluminum, 1.6 Ratio, Ford, 302/351W, Set of 16

Part Number: PRO-66879

3.54 out of 5 stars ( 24 )

Estimated Ship Date: Monday 11/10/2025

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Rocker Arms, Fits 7/16 in. Stud, Full Roller, Chromoly Steel, 1.73 Ratio, Ford, Set of 16

Part Number: CCA-1830-16

4.5 out of 5 stars ( 10 )

Estimated Ship Date: Monday 11/10/2025

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Rocker Arm, Standard Replacement, Steel, Chevrolet, LS, Each

Part Number: MEL-MR1341

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/10/2025

Connecting Rods, ESP 8740 Steel H-Beam, 6.125 in. Length, Cap Screw, Bushed, Chevy, Small Block, LS1, Set of 8

Part Number: ESP-6125O3D

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

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Camshaft, Hydraulic Roller Tappet, Advertised Duration 288/308, Lift .431/.451, Chevy, Small Block, Each

Part Number: NAL-14097395

4.83 out of 5 stars ( 24 )

Estimated Ship Date: Monday 11/10/2025

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Valve Spring Kit, Platinum, Dual, Standard, Titanium Retainer, 377 lbs./in. Spring Rate, Factory Valve Guides, Kit

Part Number: BTC-SK007-0560BB

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/10/2025

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Lifters, Evolution Series Hydraulic Roller Lifters, Retrofit, 0.842 in. O.D., 2.475 in. Lifter Seat Height, Oldsmobile, Pontiac, Set of 16

Part Number: CCA-85701-16

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

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Pistons, Forged Aluminum, Flat, 4.020 in. Bore, 1.304 in. Compression Height, 0.927 in. Pin, Chevy, LS, Set of 8

Part Number: SUM-17407C-20

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/10/2025

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Oil Pump, High-Volume, Standard Pressure, Chevy, Small Block, Each

Part Number: SUM-121155

4.7 out of 5 stars ( 66 )

Estimated Ship Date: Monday 11/10/2025

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Piston Rings, Plasma-moly, 4.000 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-2M4860

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/10/2025

Lifters, Hydraulic Roller, OE Roller, Ford, Set of 16

Part Number: CCA-851-16

2.9 out of 5 stars ( 10 )

Estimated Ship Date: Monday 11/10/2025

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Oil Pump, High-Volume, 25 Percent Over Stock, Chevy, Big Block, Each

Part Number: MEL-10778

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/10/2025

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Cylinder Head, PowerPort® 320, Aluminum, Assembled, 122cc Chamber, 320cc Intake, Chevy, Big Block, Each

Part Number: TFS-4141T803-M22

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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Crankshafts, Magnum, 4340 Steel, 4.00 in. Stroke, Internal Balance, 58X Reluctor, 1-Piece Main, 2.10 in. Diameter Journal, Lightened, Chevy, LS, Each

Part Number: CPI-APO31V-MG

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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Engine Re-Ring, 4.000 in. Bore, Standard Rod, Standard Main, Chevy, Kit

Part Number: SUM-RRKIT1-000

4.19 out of 5 stars ( 21 )

Estimated Ship Date: Monday 11/10/2025

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Crate Engine, GM 383 Stroker Stage 2, Long Block, Internal/External Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP94M

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/10/2025

• Core Charge $510.00
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Valve Covers, Aluminum LS, Center and Perimeter Bolt, Tall, Chevy Logo, Cast Aluminum, Polished, Two-Piece, Chevy, LS, 4.8-7.0L, Pair

Part Number: HLY-241-176

3.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 11/10/2025

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Guide Plates, Flat, Steel, Hardened, 5/16 in. Pushrod Slot, Ford, Chevy, Small Block, Small Block Chevy, Set of 8

Part Number: AFR-6103-8

5.0 out of 5 stars ( 11 )

Estimated Ship Date: Monday 11/10/2025