2012 Summit Racing Engines & Components

Pro LS 4340 Piston and Rod Kit, 364 Cid., 4.000 bore, 3.622 stroke, 6.125 rod, 12cc Dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L00012

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

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Camshaft Kit, Pro LS, Hydraulic Roller Tappet, Advertised Duration 271/287, Lift .600/.575, Chevy GM, LS/LSX, Gen III/IV, Each

Part Number: SUM-8715-1

5.0 out of 5 stars ( 2 )

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

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Pro LS 2618 Forged Piston, 4.005 bore, 1.326 C.H., 12cc dish, Std. Stroke, .945 pin Press or Float, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LQ4 LQ9

Part Number: SUM-326945400512

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

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Pro Hemi 224 Long-runner Cam, MDS Delete, Phaser Limited or Delete, 224/228 Duration @.050, 115 LSA + 1 adv, .600/.585 Lift, 3100-6,600 Range, Each

Part Number: SUM-5714

5.0 out of 5 stars ( 1 )

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

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Forged Pro Ford Mod Motor 4340 Forged Steel H-Beam Connecting Rod, 6.652 in. Length, .866 Floating Pin, ARP 2000 12 pt. Bolts, Set of 8

Part Number: SUM-MOD66572H

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

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Camshaft Kit, Pro LS Turbo, Hydraulic Roller Tappet, Advertised Duration 280/288, Lift .600/.575, Chevy GM, LS/LSX, Gen III/IV, Kit

Part Number: SUM-8716-1

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

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Valve Covers, Centerbolt Mounting, Cast Aluminum, Chrome, Chevy GM, LS/LSX, Gen III/IV, Pair

Part Number: SUM-440343C

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

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Rocker Arm, 1.7 Ratio, Roller Fulcrum, Ductile Iron, Intake Only,Chevy GM, LS/LSX, Gen III/IV, Ofset, Each

Part Number: SUM-141551

5.0 out of 5 stars ( 2 )

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

Gen. 3 Hemi Cylinder head, 5.7 or 6.1L, 185cc as-cast intake runner,69cc CNC combustion chamber, 2.050 Int./1.590 exh.,600 Lift, 2.42 CSA Dr. Side,

Part Number: SUM-HEMI1855761D

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

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Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-326S43780-7F

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

Pro LS Big Gun 4 Hydraulic Roller Cam, Stage 5.5, 251/255, 117 + 7.5, .625/.605 with 1.7, .662/.641 with 1.8, 4500-7500+ RPM, 6.2+, Each

Part Number: SUM-8732R1

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

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Pro LS 4340 Piston and Rod Kit, 346 Cid., 3.898 bore, 3.622 stroke, 6.098 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings

Part Number: SUM-PR368983

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

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Rocker Arm, LS, Roller Fulcrum, 1.7 Ratio, Ductile Iron, Pedestal Mount, Chevy, 6.2L LS, Each

Part Number: SME-143023

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

Summit Precision High-Tensile Tri-Metal Alloy Racing Rod Bearings, Ford 4.6, 5.0, 5.4L, Mod, Narrowed, Standard Clearance, set

Part Number: SUM-1442HNS

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

Pro LS Rotating Assembly, 325 Cid, 3.780 bore, Standard 3.622 stroke, 24X, 6.098 rod, 2cc dome,10.9:1 @ 61cc, 10.3:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R24367802

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

Pro LS 4340 Rotating Assembly, 416 Cid., 4.070 bore, 4.000 stroke, 24X, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R244007021

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

Pro LS 4340 Rotating Assembly, 364 Cid., 3.810 bore, 4.000 stroke, 24X, 6.125 rod, 5cc dish, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R24408105

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

Piston Wrist Pins, H-13 Tool Steel, 0.927 in. Diameter, 2.250 in. Length, 0.215 in. Wall Thickness, 135 grams, Each

Part Number: SUM-S719

4.75 out of 5 stars ( 4 )

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

Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, Chevy LS, .010 undersize (thicker), Racing 270 Deg. Oil groove, set

Part Number: SUM-7298H10

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

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Lifter Valley Cover, Finned, Aluminum, Polished, Chevy, LS, Each

Part Number: SUM-240065-POL

5.0 out of 5 stars ( 1 )

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

Pro LS 2618 Forged Piston, 3.820 bore, 1.110 C.H., 5cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous,Coated, 4.8L 5.3L LS Vortec Truck, Set of 8

Part Number: SUM-1109273820-5

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

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Pro LS 2618 Forged Piston, 3.820 bore, 1.110 C.H., 12cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous,Coated, 4.8L 5.3L LS Vortec Truck, Set of 8

Part Number: SUM-110927382012

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

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Rocker Arm Replacement Parts, Trunnion Bushing, Chevy, Pair

Part Number: SUM-141560-2

5.0 out of 5 stars ( 1 )

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

Summit Precision High-Tensile Tri-Metal Alloy Racing Rod Bearings, G3 Hemi .001 Extra Clearance, set

Part Number: SUM-1808HXS

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

Rocker Arm, Heavy Duty, 1.7 Ratio, Roller Fulcrum, Ductile Iron, Catherdral Int. & Exh L92/LS9/LS3 exh. only, GM, Each

Part Number: SUM-141554E-1

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