1999 CHEVROLET Chevrolet Performance Engines & Components

Timing Chain and Gear Set, Single Roller, Iron Sprockets, Chevy, Set

Part Number: NAL-12371043

4.44 out of 5 stars ( 16 )

Estimated Ship Date: Monday 1/26/2026

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Valve Springs, Single, 1.250 in. O.D., 256 lbs./in. Rate, 1.200 in. Coil Bind Height, Set of 16

Part Number: NAL-19154761

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/26/2026

Rocker Arms, 3/8 in. Stud Mount, Stamped Steel, 1.5 Ratio, Chevy, Small Block, Set of 16

Part Number: NAL-12495490

4.91 out of 5 stars ( 11 )

Estimated Ship Date: Monday 1/26/2026

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Timing Gear, Crank Sprocket, Chevy, Small Block LS, Each

Part Number: NAL-12556582

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 1/26/2026

Main Bolts, 6-Bolt Main, Inner Bolts, Chevy, 4.8, 5.3, 5.7, 6.0L, Each

Part Number: NAL-12560272

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/26/2026

Cylinder Head Bolts, Chromoly, Cadmium, Hex, Gen. 3 1997-03 Chevy LS, 4.8L, 5.3L, 5.7L, 6.0L, 1-Head, Set

Part Number: NAL-12498545

4.5 out of 5 stars ( 10 )

Estimated Ship Date: Monday 1/26/2026

Valve Cover Bolts, Steel, Chevy Small Block, L92, Each

Part Number: NAL-12577215

4.87 out of 5 stars ( 15 )

Estimated Ship Date: Monday 1/26/2026

Camshaft, Hydraulic Roller, 211/230 Duration, 0.510/0.540 Lift, Chevrolet, Big Block, Each

Part Number: NAL-24502611

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

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Oil Dipstick Tube, BBC/GenV/VI, Use w/Production 6Qt Pan, Tube Only, Each

Part Number: NAL-12550533

4.44 out of 5 stars ( 18 )

Estimated Ship Date: Monday 1/26/2026

Oil Dipstick Tube, Steel, Black Painted, Chevy, GMC, 4.8L, 5.3L, 6.0L, 6.2L, Each

Part Number: NAL-12563918

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/26/2026

TOP END KIT

Part Number: NAL-12558060K1

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

• Free Shipping

Valve, Intake, 2.0 in. Diameter, Chevy, Small Block, Each

Part Number: NAL-12555331

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/26/2026

Timing Cover, Conversion, 1-Piece, Aluminum, Natural, Chevy, LS1, Kit

Part Number: NAL-88958679

4.6 out of 5 stars ( 5 )

Estimated Ship Date: May 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Head Dowel Pin, Chevy, Small Block, LS Engines, Each

Part Number: NAL-12570326

4.83 out of 5 stars ( 18 )

Estimated Ship Date: Monday 1/26/2026

Timing Cover, 1-Piece, Plastic, Black, Chevy, Small Block, Each

Part Number: NAL-93800970

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/26/2026

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Guide Plate, Use with 3/8 in. Pushrods, Use with Bolt Down Rockers, Chevy, Big Block, GEN V/VI, 454/502, Each

Part Number: NAL-12562369

3.67 out of 5 stars ( 12 )

Estimated Ship Date: Monday 1/26/2026

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

Part Number: NAL-12552920

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/26/2026

Crankshaft Key, Long Type, 0 degree Offset, Steel, Natural, Chevy, Each

Part Number: NAL-12561513

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 1/26/2026

Valve Covers, Tall, Perimeter Bolt, Cast Aluminum, Natural, 427 Chevrolet Logo, Chevy, Big Block, Pair

Part Number: NAL-19202588

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 1/26/2026

• Free Shipping

Dipstick Tube, Engine Oil, Steel, Black, Chevy, Each

Part Number: NAL-12551577

4.57 out of 5 stars ( 14 )

Estimated Ship Date: Monday 1/26/2026

Adapter, Oil Filter Bypass, Bolt-On, Aluminum, Natural, 13/16-16 in. Thread, Each

Part Number: NAL-19299222

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Monday 1/26/2026

Rod Bearing, Standard Size, Small Block, LS1/LS2, Each

Part Number: NAL-89017573

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

Alternator Bracket, Aluminum, Natural, Chevy, Pontiac, LS1, Each

Part Number: NAL-12563327

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/26/2026

Cam Retainer Plate Bolt, Roller Cam, Chevy, Small Block, Each

Part Number: NAL-14093637

5.0 out of 5 stars ( 17 )

Estimated Ship Date: Monday 1/26/2026

Engine Oil Dipstick, Yellow Handle, Chevy, Pontiac, 5.7L, Each

Part Number: NAL-12551581

4.11 out of 5 stars ( 9 )

Estimated Ship Date: Monday 1/26/2026