CHEVROLET Chevy small block Gen III/IV (LS-based engines) Engines & Components

Oil Galley Barbell Plug, OEM-Style, Billet Aluminum, Viton® O-Rings, Chevy, LS, Each

Part Number: IRP-EGM-501

5.0 out of 5 stars ( 17 )

Estimated Ship Date: Monday 10/6/2025

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 10/6/2025

• Free Shipping

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 10/6/2025

• Free Shipping

Pro LS 2618 Forged Piston, 4.065 bore, 1.326 C.H., 2cc Dome, Std. Stroke, Full Float Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.2L LS3 L92 LS9, Set of 8

Part Number: SUM-3269434065-2

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/6/2025

• Free Shipping

Rod Bearings, XP-Series, Tri-Metal, Coated, Standard Size, Narrowed, Large Journal, Chevy, Small Block, LS, Set of 8

Part Number: KGB-CR807XPNC

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/6/2025

Dipstick Tube, Engine, Steel, Black, Chevy, Small Block, LS3, Each

Part Number: NAL-12625031

4.5 out of 5 stars ( 26 )

Estimated Ship Date: Monday 10/6/2025

• Free Shipping

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

Part Number: AAY-FDS-LS-201

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

• Free Shipping

Pro LS 2618 Forged Piston, 4.030 bore, 1.326 C.H., 12cc dish, Std. Stroke, .945 pin Press or Float, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LQ4 LQ9

Part Number: SUM-326945403012

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

• Free Shipping

Engine Accessory Bolts, 12-point, Chromoly, Black Oxide, Chevy, Small Block LS, Kit

Part Number: ARP-534-9705

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

• Free Shipping

Pro LS 4340 Piston and Rod Kit, 376 Cid., 4.065 bore, 3.622 stroke, 6.125 rod, 2cc dome, 11.6:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L0652

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

• Free Shipping

Engine Drive System, Front Runner, Aluminum, Polished, Chevy LS, Small Block, Kit

Part Number: VTA-174014

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

• Free Shipping

Pro LS 2618 Forged Piston, 4.065 bore, 1.110 C.H., 6cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous, Cathedral/Rect., 6.2 LS3 L92 LS9, Set of 8

Part Number: SUM-1109274065-6

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

• Free Shipping

Valve Springs, Beehive, Single, 1.290 in. O.D., 313 lbs./in. Rate, 1.140 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1218-16

4.93 out of 5 stars ( 14 )

Estimated Ship Date: Monday 10/6/2025

• Free Shipping

Rocker Arm Bolts, Pro Series, M8 x 1.25mm Thread, 2.560 in. Effective Stud Length, Kit

Part Number: ARP-234-7207

4.8 out of 5 stars ( 15 )

Estimated Ship Date: Monday 10/6/2025

• Free Shipping

Pro LS 4340 Piston and Rod Kit, 370 Cid., 4.030 bore, 3.622 stroke, 6.098 rod, 12cc dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR3603012

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/6/2025

• Free Shipping

Harmonic Balancer, Crank Pulley, 25 Percent Underdrive, SFI, Internal Balance, Short Spacing, 5.7, 6.0, 6.2L, Each

Part Number: SUM-C2503

4.88 out of 5 stars ( 17 )

Estimated Ship Date: Monday 10/6/2025

• Free Shipping

Pro LS 2618 Forged Pistons. 3.780 bore, 1.326 C.H., 7cc dish, Std. Stroke, .945 pin Press or Float, NA/Boost/Nitrous, Coated, 4.8L 5.3L Vortec Truck

Part Number: SUM-326945780-7P

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

• Free Shipping

Cylinder Head Studs, Extreme Duty, 12-Point Head, Black Oxide, Chevy, 4.8, 5.3, 5.7, 6.0L, Kit

Part Number: SUM-910501

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/6/2025

• Free Shipping

Camshafts, BTR, LS3 Stage 3 V2, 227 int. Duration, 0.636 int./0.636 exh. Lift, 111.5 LSA, 3-Bolt, Chevy, LS3, 6.2L, Each

Part Number: BTC-BTRLS3STAGE3

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

• Free Shipping

Pro LS 2618 Forged Piston, 4.000 bore, 1.110 C.H., 8cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous, Cathedral/Rect., 6.0 LY6 LQ4 LQ9, Set of 8

Part Number: SUM-1109274000-8

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/6/2025

• Free Shipping

Cylinder Deactivation Delete Combo, 6.0/6.2L AFM DOD Delete, Head Bolts, Lifters/Trays, Non PCV Valley Cover, Head Gaskets, Chevy LS, Kit

Part Number: CMB-09-0032

Not Yet Reviewed

Cannot be shipped Internationally

• Restricted
• Free Shipping

Pro LS 2618 Forged Piston, 4.000 bore, 1.326 C.H., 2cc Flat, Std. Stroke, Full Float Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LY6 LQ4 LQ9, Set of 8

Part Number: SUM-3269434000-2

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/6/2025

• Free Shipping

Valve Covers, Center and Perimeter Bolt, Tall, Chevy Logo, Cast Aluminum, Red Gloss, Two-Piece, Chevy, LS, 4.8-7.0L, Pair

Part Number: HLY-241-179

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/6/2025

• Free Shipping

Pro LS 4340 Forged Steel Crank, 3.622 Stroke, 58X Reluctor, Lightened Rod Journals and Gun-drilled Mains, Std. 6-bolt Flange, Internal balanced, LS3

Part Number: SUM-180LS362258X

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/6/2025

• Free Shipping

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

Part Number: MEL-MR1341

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/6/2025