CHEVROLET IMPALA Chevrolet Performance Engines & Components

Connecting Rod Bolt, Steel, 12mm Hex Head, 9mm x 1.00, 1.654 in. Underhead Length, Gen IV LS Engine, Chevy, Each

Part Number: NAL-11570662

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Harmonic Balancer Bolt, Gen. 3 and 4 LS engines only. Steel, Cadmium, Hex Head, Chevy, 4.8, 5.3, 5.7, 6.0, 6.2L Each

Part Number: NAL-12557840

4.96 out of 5 stars ( 53 )

Estimated Ship Date: Today

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: Today

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

Part Number: NAL-12577215

4.87 out of 5 stars ( 15 )

Estimated Ship Date: Today

Valve Spring Retainers, Steel, Stock, Each

Part Number: NAL-10166344

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: NAL-12570326

4.83 out of 5 stars ( 18 )

Estimated Ship Date: Today

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: Today

Roller Lifter Guide, Composite, Each

Part Number: NAL-12550002

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Grommet, PCV, Valve Cover, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: NAL-3989350

4.88 out of 5 stars ( 33 )

Estimated Ship Date: Today

Engine Expansion Plug, Brass, Buick, Cadillac, Chevy, GMC, Hummer, Oldsmobile, Pontiac, Saab, Saturn, Each

Part Number: NAL-9427693

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Bellhousing, Transmission Dowel Pin, .621 in. Diameter, Straight, 1.188 in. Length, GM, L92/LS, Each

Part Number: NAL-12720455

Not Yet Reviewed

Estimated Ship Date: Today

Head Bolt, 11mm, Hex, Cadillac, Chevy, Small Block Chevy, LS, Each

Part Number: NAL-19258707

Not Yet Reviewed

Estimated Ship Date: Today

Valve Spring, L76/L92 Style,.520 Max lift, Single Beehive, 1.290 in. o.d., 1.230 in. Coil Bind, 1.800 in. Installed Height, Each

Part Number: NAL-12706568

Not Yet Reviewed

Estimated Ship Date: Today

Head Bolt, 8mm, Hex, Cadillac, Chevy, GMC, Hummer, Pontiac, Saab, Small Block Chevy, LS, Each

Part Number: NAL-12558840

Not Yet Reviewed

Estimated Ship Date: Today

Valve Lock, Replacement, 0.185 in. Stem Diameter, Stock Style Lock, 2-Groove, Steel, Buick, Cadillac, Chevy, GMC, Hummer, Oldsmobile, Pontiac, Each

Part Number: NAL-90354648

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

CONNECTING ROD BOLT

Part Number: NAL-11570825

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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BOLT-METR

Part Number: NAL-11515756

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Valve Spring Retainer, Replacement, OEM Style, Steel, Standard, 0.732 in. OD, 0.299 in. ID, 0.059 in. Thick, Buick, Cadillac, Chevy, GMC, Hummer, Each

Part Number: NAL-12575196

Not Yet Reviewed

Estimated Ship Date: Today

Valve Spring Retainer, Steel, Stock, Each

Part Number: NAL-14003974

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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filter

Part Number: NAL-12731179

Not Yet Reviewed

Estimated Ship Date: Today

Valve Lock, Stamped, Steel, Stock, 1-Groove, 11/32 in. Valve Stem, Chevy, Small Block, Each

Part Number: NAL-24503856

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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BOLT/SCREW, CYL HD

Part Number: NAL-19352499

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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BOLT/SCRE

Part Number: NAL-10168525

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Head Bolt, 7/16-14 in., Hex, Chevy, GM V6, Each

Part Number: NAL-10168527

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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BOLT-BRACKET TO HEAD

Part Number: NAL-11588741

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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