Chevrolet Performance Engines & Components

Rocker Arm Studs, 3/8 Top, 7/16 Bottom, LateModel LT1/LT4 Style, NonGuidePl.

Part Number: NAL-12371058

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Crate Engine, L8P Rotating Assembly, 6.6L, 400cid, 523 HP, 10.8:1 Compression, Cast Iron Block, Aluminum Heads, Hydraulic Roller Cam, Chevy, GMC, Each

Part Number: NAL-19435523

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Engine Coolant Plug Fastener, Bolt, Internal Allen Head, 27mm x 1.00 Thread Size, 17mm Allen Head Size, Chevy, Small Block LS, LT, Each

Part Number: NAL-11611351

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Camshaft, Hydraulic Roller Tappet, Duration at .050 in. 196/201, Lift .467/.479, Chevy, LS1, LQ9, Each

Part Number: NAL-12561721

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Windage Tray, Steel, Chevy, Big Block, Each

Part Number: NAL-3967854

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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

Part Number: NAL-19258707

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Crate Engine, ZZ6 350/405, Aluminum Heads, Iron Block, 9.72:1 Compression, Harmonic Balancer, Each

Part Number: NAL-19433041

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Oil Cooler Delete Plate, Aluminum, Natural, Chevy, LS, 5.7L, Each

Part Number: NAL-12551587

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Crate Engine, 350 Turnkey Long Block Crate Engine, 4 Bolt Main, External Balance, Cast Iron Block and Vortec Heads, Harmonic Balancer, Chevy, Each

Part Number: NAL-19433038

Not Yet Reviewed

Estimated Ship Date: Jul 24, 2026 if ordered today

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

Part Number: NAL-19202589

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Valve Covers, Tall, Cast Aluminum, Orange, Chevy Logo, Chevy, Big Block, Pair

Part Number: NAL-12499200

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Cylinder Head, Bowtie, Oval-Port, Aluminum, Assembled, 113cc Chamber, 290cc Intake, Chevrolet, Big Block, Each

Part Number: NAL-19418910

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Engine Coolant Plug Fastener, Bolt, Internal Allen Head, 28mm x 1.25 Thread Size, Steel, Natural, Chevy, Small Block LS, Each

Part Number: NAL-12561663

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/30/2026 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 3/30/2026 if shipped by air

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Valve Cover Breather, Round, Push-in, Steel, Chrome, Chevrolet Logo, Each

Part Number: NAL-12341989

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Engine Oil Dipstick, Factory Replacement, Oil Pan Entry, Passenger Side, Yellow Handle, Cadillac, Chevy, GMC

Part Number: NAL-12622055

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Dipstick O-Ring, Chevy, Big Block, Gen V/Gen VI, Each

Part Number: NAL-274244

2.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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: Monday 3/30/2026 if shipped by air

Cylinder Head Bolts, Chromoly, Black, Hex, Chevy, Big Block, Stock Heads, Kit

Part Number: NAL-12367779

4.44 out of 5 stars ( 9 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Dry Sump Adapter Kit, Adapts Stock Pan to 12 AN Dry Sump Hoses, Chevy, Small Block, LS7, Kit

Part Number: NAL-25534412

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Bolt, Accessory Drive Component, Chevrolet, LS3/LS7, 10mm x 1.5, Each

Part Number: NAL-11515768

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Valve Cover Hole Plug, Plastic, Black, Cadillac, Chevy, GMC, Pontiac, Each

Part Number: NAL-12568011

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Camshaft, Hydraulic Flat Tappet, Duration @ .050 in. 222/222, Lift .450/.460, Chevy, Small Block, Each

Part Number: NAL-3896962

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Valve Spring, Dual, Standard Style, 1.470 in. O.D., 1.270 in. Coil Bind Height, Each

Part Number: NAL-14097002

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Connecting Rod, I-beam, Powdered Metal, Natural, 6.098 in. Length Center To Center, Cadillac, Chevrolet, 6.2L LS, Each

Part Number: NAL-12604857

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air