Engines & Engine Parts

Cylinder Head Studs, Hex Nuts, Ford, Inline 6, 240, 300, Kit

Part Number: ARP-152-4001

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Rocker Arm Studs, Pro Series, 7/16-20 in. Thread, 2.10 in. Effective Stud Length, Chevy, Kit

Part Number: ARP-334-7202

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Valve Covers, Centerbolt Mounting, Cast Aluminum, Black Powdercoated, Chevy GM, LS/LSX, Gen III/IV, Pair

Part Number: SUM-440343B

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Valve Covers, Centerbolt Mounting, Tall, Stamped Steel, Chrome, Bowtie Emblem, Chevy, 305, 350, Pair

Part Number: PRO-141-105

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Combo, Oil Pan, Black Zinc, Pickup, High-Volume Pump, Shaft, Tray, Scraper, Gaskets, Chevy, Big Block, Kit

Part Number: SUM-PANKIT10

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Pro LS Rotating Assembly, 370 Cid., 4.030 bore, 3.622 stroke, 24X, 6.125 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit rings, H Bearings

Part Number: SUM-R2436L0302

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Cylinder Head Studs, Pro Series, Hex Heads, Ford, 351W, Stock, Aftermarket Heads, Kit

Part Number: ARP-254-4503

4.67 out of 5 stars ( 12 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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PRO BBC H.R. 4 Hydraulic Roller Cam, 4/7 Swap, 224/232 Duration @ .050, 110 LSA + 5 Adv. , .620/.620 with 1.7 ratio, .656/.656 with 1.8, 2800-6300

Part Number: SUM-1254

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Piston Rings, Plasma-moly, 4.030 in. Bore, 1/16 in. 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: JEP-S100S8-40305

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Oil Fill Cap, Steel, Round, 1.220 in. Diameter, Black, Push-In, Universal, Bowtie Emblem, Each

Part Number: PRO-141-629

4.89 out of 5 stars ( 18 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Cylinder Head Studs, Hex Head, Chrysler, 318, 340, 360, with Edelbrock, Performer RPM Heads, Kit

Part Number: ARP-144-4005

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Timing Cover, Cast Aluminum, Buick 400, 430, 455, Each

Part Number: PRO-69510

4.76 out of 5 stars ( 21 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Valve Covers, Tall, Perimeter Bolt Style, Steel, Orange, Chevrolet Logo, Baffled, Chevy, Big Block, Pair

Part Number: PRO-141-787

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Valve Covers, Tall, Steel, Black Wrinkle, Red Chevrolet Logo, Chevy, Big Block, Pair

Part Number: PRO-141-811

4.5 out of 5 stars ( 12 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Crankshaft, Cast Steel, One Piece Rear Main Seal, 3.750 in. Stroke, Use With 6.00 in. Rod, Chevy, 350, Each

Part Number: SCA-935060L

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Pro LS CT1, 234/248 Duration, 113.5 LSA + 3.5 Adv, .550I/.550E Lift, 3-Bolt, Compatible with SUM-174002 LS6 Springs. 5.3, 5.7, 6.0, 6.2, 7.0

Part Number: SUM-8735R1

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Piston Rings, Gas Nitrided Steel Top, Martensitic Ductile Napier Second, Std. Tension Oil, File Fit for 3.898 in. Bore, 1.2mm, 1.2mm, 3.0mm, Set

Part Number: SUM-136SN9035STD

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Valve Cover, Cast Aluminum, Black Wrinkle, Recessed Chevrolet Logo, Chevy, Small Block, Pair

Part Number: PRO-141-845

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Rocker Arms, Super-Street, 7/16 in. Stud Mount, Full Roller, Aluminum, 1.73 Ratio, Ford, Set of 16

Part Number: PRO-66861C

3.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Stage 4 Pro LS Twin-Turbo Cam. 240/242 Dur., 116+4, .625/.605 Lift, 3-bolt, 5.3, 5.7, 6.0, 6.2, 7.0, Vortec Truck, LS1 LS2 LS6 LS3 LS7 LQ4 LQ9, Each

Part Number: SUM-8723R1

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Cylinder Head Bolts, Hex Head, Chevy, Small Block, 1-Head, Kit

Part Number: FEL-ES72856

4.45 out of 5 stars ( 55 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Cylinder Head Studs, Pro Series, 12-Point Head, Ford, 390-428 FE, with Stock, Edelbrock RPM Heads, Kit

Part Number: ARP-155-4201

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Cylinder Head Studs, Pro Series, 12-Point Heads, Ford, 7.3L Diesel, Kit

Part Number: ARP-250-4204

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Cylinder Head Fastener, Pro Series, 12-Point, Black Oxide, Chevy, Small Block, Kit

Part Number: ARP-2343725

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Cylinder Head Studs, Pro Series, Custom Age 625+ Alloy, 12-Point Nuts, Ford, V8, Modular, Kit

Part Number: ARP-256-4305

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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