1998 CHEVROLET Engines & Components

Crankshaft, Pro LS, 4340 Forged Steel, 4 in. Stroke, 24X Reluctor, Lightened Rod Journals, Gun-drilled Mains, Internal balanced, LS1, Each

Part Number: SUM-180LS400024X

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Cylinder Head, 335cc Enforcer, Assembled, 2.250 in. Intake Valve, 10 Degree Locks, 1.550 in. Dual Valve Springs, Aluminum, Chevy, Big Block, Each

Part Number: AFR-3001

4.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Pro LS 4340 Forged Steel Crank, 3.622 Stroke, 24X Reluctor, Lightened Rod Journals and Gun-drilled Mains, Std. 6-bolt Flange, Internal balanced, LS1

Part Number: SUM-180LS362224X

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Big Block Chevy Cylinder head, Aluminum, 335cc Rectangle Intake Runner, 122cc Chamber, 2.250 Intake Valve 1.880 Exhaust Valve, Max .725 Lift Ea.

Part Number: SUM-162BBCREC335

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Pulleys, Sport Track, Serpentine, Performance Ratio, Billet Aluminum, Black Brackets, with P/S, without A/C, Chevy, Small Block, Long, Kit

Part Number: MCH-21695-08

3.91 out of 5 stars ( 23 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Lifters, Hydraulic Roller, 0.842 in. O.D., Buick, Chevrolet, Pontiac, Set of 16

Part Number: CXM-J-2110R

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Cam and Lifter kit, Pro SBC Retrofit Stage 2 Hyd.Roller LS Firing Order, 218/227 Dur., 110 LSA + 1 Adv, .525/.520 1.5 Ratio, 1800-6250 RPM Range

Part Number: SUM-K1222

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Cylinder Head, Vortec, Assembled, Cast Iron, 64cc Chamber, 170cc Intake Runner, Chevy, Small Block, Each

Part Number: NAL-12691728

2.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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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

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Connecting Rods, H-beam, Forged 4340 Steel, Magnafluxed, 6.125 in. Length Center To Center, Chevrolet, Small Block LS, Set of 8

Part Number: BTC-S0368

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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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 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Pro LS 2618 Forged Piston, 3.903 bore, 1.110 C.H., 5cc dish, 4.000in. Stroke, 6.125 Full-float Rod, NA/Boost/Nitrous, Coated, 5.7L LS1 LS6, Set of 8

Part Number: SUM-1109273903-5

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Pulley Kit, Serpentine, Aluminum, Clear Powdercoated, Chevy, Small Block, Kit

Part Number: MCH-22072

3.9 out of 5 stars ( 21 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Lifters, Short Travel XD Hydraulic Roller, Horizontal Link Bar, 0.842 in. O.D., Chevy, GMC, Small Block LS, Set of 16

Part Number: CCA-15956XD-16

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Connecting Rods, Compstar, Forged 4340 Steel, H-Beam, 6.000 in. Length, ARP 2000, Cap Screw, Chevy, Small Block, Set of 8

Part Number: CPI-A6000DS2A2AH

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Chevy LS 4340 Forged Steel Crankshaft, 4.000 stroke, 24X Reluctor, Lightened, Nitride Hardened, Narrowed Rod Bearings Req.

Part Number: SUM-180LS400024

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Pulley Kit, Serpentine Conversion, Aluminum, Polished, Chevy, Small Block, Kit

Part Number: BSP-FM2121PC

4.44 out of 5 stars ( 16 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Pro LS 2618 Forged Piston, 3.898 bore, 1.299 C.H., 7cc dish, Std. Stroke, 6.125 Full-floating Rod, NA/Boost/Nitrous, Coated, 5.7L LS1 LS6, Set of 8

Part Number: SUM-2999273898-7

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Cylinder Head Fasteners, 12-point Style, Stud, Mixed Length Lower, Early LS Style, ARP 2000 Material, 220,000 psi, Black Oxide Finish, Kit

Part Number: ARP-234-4313

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Lifter, Sportsman, Mechanical Roller, 0.842 in. O.D., Chevy, Small Block, Needle Bearing Axle, Set of 16

Part Number: CCA-96818-16

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Cam and Lifter kit, Pro SBC Retrofit Stage 4 Hyd. Roller LS Firing Order, 232/242 Dur., 110 LSA + 3 Adv, .550/.550 1.5 Ratio, 2200-6400 RPM Range

Part Number: SUM-K1224

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Cam and Lifter kit, Pro SBC Retrofit Stage 5 Hyd. Roller LS Firing Order, 242/251 Dur., 110 LSA + 4 Adv, .550/.550 1.5 Ratio, 2600-6600 RPM Range

Part Number: SUM-K1225

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Lifters, Race Series, Hydraulic Roller, Vertical Bar, Chevy, Big Block, Set of 16

Part Number: HRS-91162

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Pro LS 2618 Forged Piston, 3.898 bore, 1.299 C.H., 3cc mini dome, Std. Stroke, 6.125 Full-float Rod, NA/Boost/Nitrous, Coated, 5.7L LS1 LS6, Set of 8

Part Number: SUM-2999273898-3

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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