Chevrolet Performance Engines & Components

TOP END KIT

Part Number: NAL-12558060K1

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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

Part Number: NAL-12552920

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Valve, Replacement, Exhaust, 1.590 in. Head Diameter, Inconel, Chevy, 6.2L, Each

Part Number: NAL-12612427

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Harmonic Balancer, Steel, 8.0 in. Diameter, Chevy, 383, 1-Piece Seal, Each

Part Number: NAL-12498008

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Lash Caps, Wear Pads, Machined Steel, for Titanium Valve Tips on 0.313 in. Diameter Valve Stems, 0.080 in. Thick, LS7, LS9, LT4, LT5, Set of 8

Part Number: NAL-19302366

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Windage Tray, Louvered, Wet Rear Sump Style, Steel, Natural, 4.125 in. Maximum Stroke with OE Rod, Trimming Required, Chevy, 6.2L LS, 7.0L LS, Each

Part Number: NAL-19202609

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Windage Tray Studs, BBC, 1/2-13 x 3/8-16 x 5 5/8 in., For 3967854. 4Req`d.

Part Number: NAL-3902885

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Crankshaft, Forged 1053 Steel, 3.622 in. Stroke, Internal Engine Balance, One-piece Rear Main Seal Style, 58-tooth, Chevrolet, 6.2L Gen V, Each

Part Number: NAL-12732518

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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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 3/23/2026 if shipped by air

Valve Spring Retainers, Steel, Stock, Each

Part Number: NAL-10166344

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Lash Caps, 0.080 in. Thick, Steel, Natural, Chevrolet, LS7/LS9, Each

Part Number: NAL-12596509

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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 3/23/2026 if shipped by air

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Camshaft Bolt, LS engine family, "single bolt", non VVT, Hex, 16mm x 1.50 RH, Steel, Natural, Chevy, Each

Part Number: NAL-11561283

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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 3/23/2026 if shipped by air

Oil Pump, High-Volume, Standard-Pressure, Chevy, Big Block, Kit

Part Number: NAL-19210599

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Head Bolt, Hex, Chevrolet, Gen V , LT1, Each

Part Number: NAL-11546959

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Connecting Rod Bolt, M9 Thread Size, Steel, Chevy, Gen III LS, Each

Part Number: NAL-11610158

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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

Part Number: NAL-12563327

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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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: Monday 3/23/2026 if shipped by air

Valve Spring, LS6 Style,.550 Max lift, Single Beehive, 1.290 in. o.d., 375 lbs./in. Spring Rate, 1.800 in. Installed Height, Each

Part Number: NAL-12713265

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Camshaft Retainer Plate, Steel, Chevy, 350, 2nd Design, 3.294 Bolt Center, ZZ3-ZZ4, Each

Part Number: NAL-10168501

4.75 out of 5 stars ( 12 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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 3/23/2026 if shipped by air

Adapter, Oil Filter Bypass, Steel, Natural, Chevy, Big Block, 502, Each

Part Number: NAL-25161284

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Valve Lock, 7 degree, Stamped Steel, 1-groove Beadlock-style, 8mm Stem Diameter, Each

Part Number: NAL-10166345

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Oil Pickup, Bolt-In, Stock Pan Style, Chevy, V8, LS, 5.3L, Each

Part Number: NAL-12608593

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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