1,532 Results Found For "Performance"

Piston Rings, Cast Iron, 4.155 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-133-661-30

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/1/2025

Valve, Exhaust, Stainless Steel, 1.500 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Each

Part Number: SUM-V8008-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/1/2025

Piston Rings, Pro GPX Gas Ported, 4.155 in. Bore, File Fit, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP415564

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

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Rocker Arms, Roller Bearing Trunnion, LS-7, Assembled, Steel, 1.8 Ratio, Offset Intake, Rectangle Port, Chevy, Each

Part Number: SUM-141555I-1

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

Oil Pickup, Press Fit, Circle Track Pan Style, 7.250 in. Pan Depth, 0.625 in. Tube Dia., Chevy, V8, Small Block, Each

Part Number: SUM-G3507P

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/1/2025

Timing Gear, Adjustable, Billet Steel, 3-Bolt, 4X, Single Row, 0.005 in. Line Hone, Chevy LS, Each

Part Number: SUM-G6644-4X-005

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

Rocker Arms, Roller Bearing Trunnion, LS-7, Assembled, Steel, 1.8 Ratio, Exhaust, Rectangle Port, Chevy, Each

Part Number: SUM-141555E-1

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

Piston Rings, Pro GPX Gas Ported, 4.530 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP453016

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

• Free Shipping

Engine Block, 400 Chevy Small Block, Class 35 German Cast Iron, 4-Bolt 350 Mains, 4.125 in. Unfinished Bore Diameter, 1-Piece Rear Main Seal

Part Number: SUM-150204

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

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Piston Rings, Cast Iron, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-133-683-00

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/1/2025

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 12/1/2025

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Rocker Arms, Gold Series, Full Roller, 1.5 Ratio, Aluminum, Gold Anodized, Chevy, Small Block, Set of 16

Part Number: SUM-G6811G

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/1/2025

• Free Shipping

Cylinder Head Studs, Extreme Duty, 12-Point, Chromoly, Black Oxide, 5.9 Cummins 24 valve, Kit

Part Number: SUM-910512

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

• Free Shipping

Main Bolts, Extreme Duty, 4-bolt Style, 6-point, Premium Quality, 190,000 psi Yield Strength, Washers, Chevy, Small Block, Kit

Part Number: SUM-910203-PRO

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

Camshaft Kit, Pro LS Vortec Truck Swap, Hydraulic Roller Tappet, Advertised Duration 278/287, Lift .523/.524, Chevy GM, LS/LSX, Gen III/IV, Kit

Part Number: SUM-8701-2-BHV

Not Yet Reviewed

Cannot be shipped Internationally

• Restricted
• Ground
• Free Shipping

Pro LS Piston and Rod Kit, 330 Cid., 3.810 bore, Standard 3.622 stroke, 6.098 rod, 2cc dome, 11:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR368102

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/1/2025

• Free Shipping

Pro LS Piston and Rod Kit, 330 Cid., 3.810 bore, Standard 3.622 stroke, 6.098 rod, 7cc dish, 9.8:1 @ 61cc, 9.4:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR368107

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/1/2025

• Free Shipping

Pro LS 4340 Rotating Assembly, 415 Cid., 4.065 bore, 4.000 stroke, 24X, 6.125 rod, 6cc dish, 11.5:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R24400656

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/1/2025

Engine Rebuild, Hypereutectic Flat, 4.040 in. Bore, Standard Rod, Standard Main, Chevy, 350, Kit

Part Number: SUM-SBCKIT3-400

Not Yet Reviewed

Cannot be shipped Internationally

• Restricted
• Free Shipping

Engine Rebuild, Hypereutectic Flat, 4.060 in. Bore, Standard Rod, Standard Main, Chevy, 350, Kit

Part Number: SUM-SBCKIT3-600

5.0 out of 5 stars ( 1 )

Cannot be shipped Internationally

• Restricted
• Free Shipping

Pro LS 4340 Rotating Assembly, 416 Cid., 4.070 bore, 4.000 stroke, 58x, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R584007021

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

Pro LS Rotating Assembly, 325 Cid., 3.780 bore, Standard 3.622 stroke, 24X, 6.125 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R2436L7807

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

Summit Precision High-Tensile Tri-Metal Alloy COATED Racing Rod Bearings, BBF 460, Standard Clearance, set

Part Number: SUM-818HCS

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

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Summit Precision High-Tensile Tri-Metal Alloy COATED Racing Rod Bearings, SBC 2.000 pin, Doweled, .001 Extra Clearance, set

Part Number: SUM-745HXDS

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

Summit Precision High-Tensile Tri-Metal Alloy Racing Rod Bearings, SBC/LS 2.100 pin, .837 width, Standard Clearance, set

Part Number: SUM-663HDS

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025