1,832 Results Found For "Performance"

Crate Engine, Long Block, Chevy GM, LS/LSX, Gen III, 24x Crank Reluctor, Aluminum Heads, Each

Part Number: SUM-150153

4.37 out of 5 stars ( 43 )

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Harmonic Balancer, Chevy Corvette, LS, 5.7, 6.0, 6.2L, Internal Balance, Short Spacing, Steel, Clearcoated, 7.5 Dia., 8-Rib, Each

Part Number: SUM-C2501

4.8 out of 5 stars ( 106 )

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Harmonic Balancer, Internal Balance, Long Spacing, Steel, Clearcoated, Buick, Cadillac, Chevy, GMC, Hummer, 4.8, 5.3, 6.0, Each

Part Number: SUM-C2520

4.6 out of 5 stars ( 48 )

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Pro LS 4340 Rotating Assembly, 408 Cid., 4.030 bore, 4.000 stroke, 24X, 6.125 rod, 8cc dish, 11.1:1 @ 65cc, 10.6:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R24400308

Not Yet Reviewed

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Chevy LS Cylinder head, 210cc Cathedral port Intake Runner, 64cc Chamber, 2.02 Intake Valve 1.6 Exhaust Valve, 3.898+ bore sizes, Max .660 Lift, Each

Part Number: SUM-162LS210CATH

3.67 out of 5 stars ( 3 )

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Pro SBC Stage 1 Hyd. Roller Cam, 204/214 Dur., 112 LSA + 1 Adv, .450/.450 1.5 Ratio, .480/.480 1.6 Ratio, Idle-5800 Range, '87-02 Gen 1 Roller Block

Part Number: SUM-8800

4.89 out of 5 stars ( 18 )

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Rocker Arms, Trunnion Upgrade, Assembled, Cast Steel, 1.7 Ratio, Straight Body, Cathedral Port, Chevy, LS1, LS2, LS6, LQ4, LQ9, Set of 16

Part Number: SUM-141556

4.06 out of 5 stars ( 17 )

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Engine Block, Pro LS, Bare, Cast Iron, 6-bolt Main Bolt Style, 6 Head bolt Pattern, 9.240 in. Std. Deck 4.125 in. Bore, GenIII/IV LS Chevrolet, Each

Part Number: SUM-150216

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Gen. 3/4 Chevy LS Rocker Arm Trunnion Upgrade Kit, Bronze Bushing, Retrofit, Rectangle and Cathedral Port Rockers, Set of 16

Part Number: SUM-141560

4.33 out of 5 stars ( 70 )

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Summit Chevy LS 4340 Forged Steel Crankshaft, 4.000 stroke, 58X Reluctor, Gun-drilled and Lightened, Nitride Hardened, Narrowed Rod Bearings Req.

Part Number: SUM-180LS400058

5.0 out of 5 stars ( 1 )

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Rocker Arms, Roller Bearing Trunnion, L92/LS9/LS3, Assembled, Heavy Duty Cast Steel, 1.7 Ratio, Rectangle Port, Chevy, Set of 16

Part Number: SUM-141554

5.0 out of 5 stars ( 6 )

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Pro SBC Hyd. Roller Hot Cam Plus, 218/227 Dur., 112 LSA + 1, .525/.520 1.5 Ratio, .560/.555 1.6 Ratio, 1800-6300 RPM Range, '87-02 Gen 1 Roller Block

Part Number: SUM-8802

5.0 out of 5 stars ( 2 )

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Engine Block, 400 Chevy Small Block, Class 35 German Cast Iron, 4-Bolt 350 Mains, 4.125 in. Unfinished Bore Diameter, 2-Piece Rear Main Seal

Part Number: SUM-150202

5.0 out of 5 stars ( 1 )

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Cylinder Head, Cast Iron, Assembled, 72cc Chamber, 165cc Intake Runner, Chevy, 302, 327, 350, 400, Each

Part Number: SUM-152123

4.8 out of 5 stars ( 127 )

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Pro LS 4340 Rotating Assembly, 408 Cid., 4.030 bore, 4.000 stroke, 24X, 6.125 rod, 20cc dish, 9.8:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R244003020

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Harmonic Balancer, SFI, Internal Balance, Steel, Clearcoated, Chevy, Small Block, Each

Part Number: SUM-C4265

4.65 out of 5 stars ( 52 )

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Big Block Chevy Cylinder head, Aluminum, 335cc Rectangle Intake Runner, 122cc Chamber, 2.250 Intake Valve 1.880 Exhaust Valve, Max .725 Lift Ea.

Part Number: SUM-162BBCREC335

Not Yet Reviewed

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Rocker Arms, 1.5 Ratio, 3/8 in. Stud, Full Roller, Stainless Steel, Natural, Small Chevy, SBC, Set of 16

Part Number: SUM-G6990

4.72 out of 5 stars ( 18 )

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Rocker Arms, 1.7 Ratio, 7/16 in. Stud, Full Roller, Stainless Steel, Polished, Big Block Chevy, BBC, Set of 16

Part Number: SUM-G6995

4.83 out of 5 stars ( 6 )

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Pro SBC Stage 4 Hyd. Roller Cam, 224/232 Dur. 112 LSA + 2 Adv, .550/.540 1.5 Ratio, .587/.576 1.6 Ratio, 2000-6500 RPM Range, 87-02 Gen 1 Roller Block

Part Number: SUM-8803

5.0 out of 5 stars ( 6 )

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Cylinder Head, Vortec, Cast Iron, Assembled, 67cc Chamber, 175cc Intake Runner, Chevy, Small Block, Each

Part Number: SUM-151124

4.57 out of 5 stars ( 74 )

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Oil Pump, Standard-Volume, Standard Pressure, Chevy LS, 4.8/5.3/5.7/6.0/6.2L, Each

Part Number: SUM-121170

4.7 out of 5 stars ( 60 )

Estimated Ship Date: Today

Cam and Lifter kit, Pro SBC Stage 1 Hyd. Roller Cam, 204/214 Dur., 112 LSA + 1 Adv, .450/.450 1.5 Ratio, Idle-5800 Range, '87-02 Gen 1 Roller Block

Part Number: SUM-K8800

5.0 out of 5 stars ( 1 )

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Stage 3 Pro LS Cam 232/242 113+3, .600/.600 Lift, 3-bolt, Excellent Power and Torque, 5.3, 5.7, 6.0, 6.2, 7.0, LS1 LS2 LS6 LS3 LS7 LQ4 LQ9 LS9, Each

Part Number: SUM-8708R1

4.33 out of 5 stars ( 6 )

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Engine Block, 350 Chevy Small Block, Class 35 German Cast Iron, 4-Bolt 350 Mains, 4.000 in. Unfinished Bore Diameter, 2-Piece Rear Main Seal

Part Number: SUM-150200

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

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