1,832 Results Found For "Performance"

Forged Pro pistons for Pontiac 400, 4.150 bore, 1.715 C.H., 3.75 in. stroke, 6.625 in. rod, 6cc flat top, 11.3@64cc, 10.3@72cc, 9.6@80cc, 9:1@87cc.

Part Number: SUM-BBP400030

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Rocker Arms, Gold Series, Full Roller, 1.7 Ratio, Aluminum, Gold Anodized, Chevy, Big Block, Set of 16

Part Number: SUM-G6830G

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Estimated Ship Date: Jan 14, 2026 if ordered today

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Chevy LS Cylinder head, 255cc Rectangle port Intake Runner, 67cc Chamber, 2.16 Intake Valve 1.6 Exhaust Valve, 4.000 + bore sizes, Max .600 Lift, Each

Part Number: SUM-162LS3255REC

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 20, 2026 if ordered today

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Pro BBC Big Block Chevy Hydraulic Roller Cam 5.5, 4/7 Swap, 236/248 Duration, 111 LSA, 5 Adv. .620/.620 lift 1.7 ratio, .655/.655 1.8, 3,700-6,600

Part Number: SUM-1263

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Estimated Ship Date: Dec 26, 2025 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.610 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP461016

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.560 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP4560446

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Estimated Ship Date: Dec 30, 2025 if ordered today

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Main Bearings, Race Series Main Bearing Sets, 0.010 in. Crankshaft Undersize, Tri-metal Copper-lead Alloy, Chevrolet, Big Block, Set of 5

Part Number: SUM-829H010

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Summit Precision High-Tensile Tri-Metal Alloy Racing Rod Bearings, SBC 2.100 pin, .708 Narrowed, .001 Extra Clearance, set

Part Number: SUM-1227HXS

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Estimated Ship Date: Dec 10, 2025 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.375 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP437543

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Estimated Ship Date: Dec 30, 2025 if ordered today

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Piston Rings, Pro GPX Gas Ported, 3.790 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP379015

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Estimated Ship Date: Dec 30, 2025 if ordered today

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Pushrods, Steel, Heat-Treated, 5/16 in. Diameter, 7.195 in. Length, Universal, Set of 16

Part Number: SUM-G6406

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 8, 2025 if ordered today

Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, 2009+ 5.7, 6.2 and 6.4 G3 Hemi .010 undersize (thicker) 1/2 Upper groove, set

Part Number: SUM-2221H25

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Estimated Ship Date: Dec 29, 2025 if ordered today

Summit Precision High-Tensile Tri-Metal Alloy COATED Racing Rod Bearings, SBC 2.100 pin, .708 Narrowed, .001 Extra Clearance, set

Part Number: SUM-1227HXCS

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Estimated Ship Date: Feb 10, 2026 if ordered today

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Summit Precision High-Tensile Tri-Metal Alloy Racing Rod Bearings, Mopar BB, Dowled, .010 undersized (thicker), set

Part Number: SUM-527HD010

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Summit Precision High-Tensile Tri-metal Alloy COATED Racing Main Bearings, Ford Cleveland Standard Clearance, 3/4 Upper and Lower groove, set

Part Number: SUM-1010HCS

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Estimated Ship Date: Jan 14, 2026 if ordered today

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Summit Precision High-Tensile Tri-metal Alloy COATED Racing Main Bearings, Ford Cleveland .001 Extra Clearance, 3/4 Upper and Lower groove, set

Part Number: SUM-1010HXCS

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Estimated Ship Date: Jan 14, 2026 if ordered today

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Main Bearings, Race Series Main Bearing Sets, Stock Crankshaft Size, Tri-metal Copper-lead Alloy, Chevrolet, Big Block, Set of 5

Part Number: SUM-829HNS

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Estimated Ship Date: Dec 29, 2025 if ordered today

Summit Precision High-Tensile Tri-Metal Alloy Racing Rod Bearings, Gen. V LT, .837 width, .001 undersize (thicker), set

Part Number: SUM-7281H001

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Estimated Ship Date: Dec 29, 2025 if ordered today

Main Bearings, Race Series Main Bearing Sets, Stock Crankshaft Size, Tri-metal Copper-lead Alloy, Chevrolet, Big Block, Set of 5

Part Number: SUM-829HNCS

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Pro LS Rotating Assembly, 326 Cid., 3.785 bore, Standard 3.622 stroke, 24X, 6.098 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit ring, H Bearings

Part Number: SUM-R24367857

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Pro LS 4340 Rotating Assembly, 360 Cid., 3.785 bore, 4.000 stroke, 58x, 6.125 rod, 5cc dish, 10.9:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R58407855

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.130 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP413012

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Estimated Ship Date: Dec 30, 2025 if ordered today

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Oil Pan, Replacement Oil Pump Pickup Tube, Engine Swap, Cast Aluminum, Natural, 6.0 Quart Capacity, 4.25 in. Stroke Clearance, Chevy, LS, V8, Each

Part Number: SUM-121200-1

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Estimated Ship Date: Feb 20, 2026 if ordered today

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Main Bearings, Race Series Main Bearing Sets, 0.010 in. Crankshaft Undersize, Tri-metal Copper-lead Alloy, Ford, Small Block Windsor 302, Set of 5

Part Number: SUM-590H010

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Estimated Ship Date: Jan 14, 2026 if ordered today

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Main Bearing, Toyota 1GR-FE Standard Clearance , Set

Part Number: SUM-8263HS

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Estimated Ship Date: Jan 19, 2026 if ordered today