Engines & Engine Parts

Cylinder Head Studs, Pro Series, 12-Point Head, Chevy, LSX, Kit

Part Number: ARP-234-4319

4.33 out of 5 stars ( 6 )

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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 )

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Pro LS 2618 Forged Piston, 4.000 bore, 1.299 C.H., 2cc Flat, Std. Stroke, 6.125 .927 Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LY6 LQ4 LQ9, Set of 8

Part Number: SUM-2999274000-2

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Cam and Lifter kit, Pro SBC Retrofit Stage 3 Hyd. Roller LS Firing Order, 224/232 Dur., 110 LSA + 2 Adv, .550/.540 1.5 Ratio, 2000-6300 RPM Range

Part Number: SUM-K1223

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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 )

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

Part Number: SUM-440820

5.0 out of 5 stars ( 2 )

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Engine Dress-Up, High-Tech Collector's Series, Valve/Timing Covers, Air Cleaner, Breather, Black Crinkle, Kit

Part Number: PRO-141-758

4.83 out of 5 stars ( 72 )

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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 )

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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 )

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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

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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 )

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Cylinder Head Studs, Pro Series, 12-point, Custom Age 625, Black Oxide, 11mm Thread Size, Washers, Chevy, Kit

Part Number: ARP-234-4314

5.0 out of 5 stars ( 1 )

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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 )

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Cylinder Head Fasteners, Pro Series Cylinder Head Stud Kits, 12-point, ARP2000, Black Oxide, Washers, Chevy, 6.2L, Kit

Part Number: ARP-234-4343

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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 )

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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

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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 )

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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

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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 )

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Pro LS Piston and Rod Kit, 325 Cid., 3.780 bore, Standard 3.622 stroke, 6.125 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR36L7807

4.0 out of 5 stars ( 3 )

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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 )

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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

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Pro SBF Best Hydraulic Roller Cam 1, 204/214 Duration, 113 LSA + 0 Adv. .550/.550 lift 1.6 ratio, .587/.587 1.7 ratio, Idle to 5,800 basic rpm, 85-95

Part Number: SUM-8904

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Cylinder Head Studs, Pro Series, 12-Point Head, Chevy, Big Block, Stock Heads, Kit

Part Number: ARP-235-4201

4.75 out of 5 stars ( 12 )

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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 )

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