Engines & Engine Parts

Pro LS 4340 Rotating Assembly, 402 Cid., 4.000 bore, 4.000 stroke, 24X, 6.125 rod, 8cc dish, 11:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R24400008

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Cylinder Head Studs, Pro Series, 12-Point Heads, Dodge, 5.9L, Cummins Diesel, 12-Valve, Kit

Part Number: ARP-247-4203

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

• Free Shipping

Rocker Arms, Stud Mount, Full Roller, Steel, 1.52 Ratio, Fits 7/16 in. Stud, Chevy, Small Block, Set of 16

Part Number: CCA-1604-16

4.85 out of 5 stars ( 13 )

Estimated Ship Date: Tomorrow

• Free Shipping

Pro LS 2618 Forged Piston, 4.030 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-3269434030-2

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

• Free Shipping

Cylinder Deactivation Delete Combo, DOD, Chevy, GMC, 2014-2018 5.3L, Kit

Part Number: CMB-09-0048

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Stage 4 Pro LS Cam, Extra Valve Clearance Version, 234/248 113.5 +3.5 .625/.605 Lift, Great Power, 3-bolt, 4.8-7.0L , Vortec LS1 LS2 LS6 LS7 LQ9 LS9

Part Number: SUM-8711R1

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

• Free Shipping

Piston Rings, Plasma Moly Steel Top, Martensitic Ductile Napier Second, Std. Tension Oil, File Fit for 3.810 in. Bore, 1.5mm, 1.5mm, 3.0mm, Set

Part Number: SUM-136SM8531035

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

• Free Shipping

Pistons, Pro Tru, Forged, Flat Top, 4.390 in. Bore, Ford, 7.5L, Set of 8

Part Number: WIS-PTS530A3

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• Free Shipping

Cylinder Head Bolts, Pro Series, 12-point, Chromoly, Black Oxide, Washers, Dodge, 5.7L Hemi, 6.1L Hemi, Kit

Part Number: ARP-147-3901

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

• Free Shipping

Cylinder Head Studs, Pro Series, 12-Point Head, Chevy, Big Block, with Holley, Canfield, Brodix Heads, Kit

Part Number: ARP-235-4702

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

• Free Shipping

Valve Cover Set, LS Race, Lightweight Die Cast Aluminum, Plain, Black Powdercoat, Pair

Part Number: SUM-440820

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

• Free Shipping

Pro LS 2618 Forged Piston, 4.000 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-326945400012

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• Free Shipping

Valve Covers, Cast Aluminum, Chrome, Slant-Edge, Chevrolet, Bowtie Emblem, Chevy, Small Block, Pair

Part Number: PRO-141-930

4.85 out of 5 stars ( 27 )

Estimated Ship Date: Tomorrow

• Free Shipping

Crate Engine, Fully Dressed Long Block, GM LS Series 376 C.I.D. 546 HP, 469 Ft Lbs Tq, Internal Engine Balance. Harness, ECU, Each

Part Number: MLL-PSLS3765CTF

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Camshaft Kit, Pro LS, Hydraulic Roller Tappet, Advertised Duration 288/296, Lift .625/.605, Chevy GM, LS/LSX, Gen III/IV, Each

Part Number: SUM-8709-1DS

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Crate Engine, Long Block, 427 Stroker, 540 HP, 535 TQ, New Block, Aluminum Heads, 4-Bolt Mains, Chevrolet, Small Block, Each

Part Number: MLL-PS4272CT1

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Pro LS Piston and Rod Kit, 370 Cid., 4.030 bore, 3.622 stroke, 6.098 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR360302

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• 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: Tomorrow

• Free Shipping

Pro LS 2618 Forged Pistons. 3.780 bore, 1.299 C.H., 7cc dish, Std. Stroke, .6.125 Rod, NA/Boost/Nitrous, Coated, 4.8L 5.3L LS Vortec Truck, Set of 8

Part Number: SUM-2999273780-7

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• Free Shipping

Piston Rings, Gas Nitrided Steel Top, Martensitic Ductile Napier second, Std. Tension oil, File fit for 4.070 in. bore, 1.2mm, 1.2mm, 3.0mm, Set

Part Number: SUM-136SN9045070

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• Free Shipping

Valve Covers, Tall, Steel, Chrome, Chevrolet Logo, Chevy, Big Block, Pair

Part Number: PRO-141-813

4.02 out of 5 stars ( 43 )

Estimated Ship Date: Tomorrow

• Free Shipping

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: Tomorrow

• Free Shipping

Pro LS Truck Torkinator. 200/205 Dur., 113+4, .550/.550 Lift, 3-bolt, 4.8 5.3 5.7 6.0 6.2, 7.0 Vortec, L59 LR4 LM7 L33 LS2 L92 L96 LY6 LQ4 LQ9 , Each

Part Number: SUM-8727R1

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

• Free Shipping

Cam and Lifter kit, Stage 2 Pro LS Cam. 226/238 113+3, .600/.600 Lift, 3-bolt, 4.8, 5.3, 5.7, 6.0, 6.2, 7.0, LS1,2,3,6,7, LSA LQ4 LQ9 LS9 LS4 LY6

Part Number: SUM-K8707R1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• Free Shipping

Cylinder Head Studs, Pro Series, 12-Point Heads, Ford, 6.4L Diesel, Kit

Part Number: ARP-250-4203

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

• Free Shipping