Availability
Pro LS 2618 Forged Piston, 4.000 bore, 1.326 C.H., 2cc Flat, Std. Stroke, Full Float Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LY6 LQ4 LQ9, Set of 8
Part Number: SUM-3269434000-2
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Harmonic Balancer, SFI, Internal Balance, Steel, Clearcoated, Chrysler, Big Block, Hemi, Each
Part Number: SUM-C4279
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Oil Pan, Steel, Gold Zinc, 5 qt., Chevy, Small Block, Each
Part Number: SUM-G3531
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Pro LS 4340 Piston and Rod Kit, 346 Cid., 3.898 bore, 3.622 stroke, 6.125 rod, 7cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings
Part Number: SUM-PR36L8987
Not Yet Reviewed
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Camshaft Kit, Pro LS, Hydraulic Roller Tappet, Advertised Duration 280/292, Lift .600/.600, Chevy GM, LS/LSX, Gen III/IV, Each
Part Number: SUM-8708-1DS
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Valves, Intake, Stainless Steel, 2.020 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Set of 8
Part Number: SUM-V8002-8
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Forged Pro pistons BB Chevy 496, 4.310 bore, 1.270 C.H., 4.25 in. stroke, 6.385 in. rod, 15cc open/closed ch. Dome 10.5@110cc, 10.1@114cc, 9.7@119cc.
Part Number: SUM-BBC496060
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Harmonic Balancer, SFI, External Balance, Steel, Clearcoated, Chevy, 400, Each
Part Number: SUM-C4266
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Adapter, Oil Filter, Non-Bypass, Billet Aluminum, Black, 13/16-16 in. Thread, Each
Part Number: SUM-G4982
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Pro LS 2618 Forged Piston, 4.000 bore, 1.110 C.H., 8cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous, Cathedral/Rect., 6.0 LY6 LQ4 LQ9, Set of 8
Part Number: SUM-1109274000-8
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Pistons, Forged Aluminum, Flat, 3.780 in. Bore, 1.304 in. Compression Height, 0.927 in. Pin, Chevy, LS, Set of 8
Part Number: SUM-17401C
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Piston Rings, Gas Nitrided Steel Top, Martensitic Ductile Napier second, Std. Tension oil, File fit for 4.070 in. bore, 1.2mm, 1.2mm, 3.0mm, Set
Part Number: SUM-136SN9045070
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Cam and Lifters, Mechanical Flat Tappet, Advertised Duration 287/297, Lift .504/.504, Chevy, Small Block, Kit
Part Number: SUM-CT101K
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Combo, Oil Pan, Black Zinc, Pickup, High-Volume Pump, Shaft, Tray, Scraper, Gaskets, Chevy, 7.4L/454, Kit
Part Number: SUM-PANKIT14
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Cylinder Deactivation Delete Combo, Gen III Hemi, MDS Delete Kit With VVT, NSR Camshaft, Kit
Part Number: CMB-09-0038
Not Yet Reviewed
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Breather Tank, Bolt-In, 16 oz. Capacity, Round, Aluminum, Polished, Vented with Filtered Breather, (2) 3/8" NPT Female Inlet Ports, Universal, Each
Part Number: SUM-300104
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Summit Factory Performance Stage 2 LS Cam, 227/239 108 L/S, .551/.551 Lift, Vortec LS1 LS2 LS6 LS3 LS7 LQ4 LQ9, Summit's version of Factory Stage 2
Part Number: SUM-8704
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Valve Covers, Tall, Cast Aluminum, Polished, Plain, Chevy, Big Block, Pair
Part Number: SUM-G3313
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Pro LS 4340 Rotating Assembly, 402 Cid., 4.000 bore, 4.000 stroke, 24X, 6.125 rod, 8cc dish, 11:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R24400008
Not Yet Reviewed
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Cam and Lifter kit, Pro SBC Retrofit Stage 2 Hyd.Roller LS Firing Order, 218/227 Dur., 110 LSA + 1 Adv, .525/.520 1.5 Ratio, 1800-6250 RPM Range
Part Number: SUM-K1222
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Forged Pro pistons BB Chevy 454, 4.280 bore, 1.645 C.H., 4 in. stroke, 6.135 in. rod, 21cc open/closed ch. Dome 10.5@110cc, 10.1@114cc, 9.7@119cc.
Part Number: SUM-BBC454030
Not Yet Reviewed
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Pro LS Crank and Rods, Forged 4340 Steel Crank, 4 in. Stroke, Forged 4340 Steel H-Beam Rods, 6.125 in. Rod Length, Chevy, LS, Kit
Part Number: SUM-CR4024125
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Cam and Lifter kit, Stage 1 Pro LS Drop-in Truck Swap Cam, 210/218 112 +1, .500/.500 Lift, 3-bolt, 4.8, 5.3, 5.7, 6.0, 6.2, Each
Part Number: SUM-K8712R1
Not Yet Reviewed
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Cam and Lifters, Hydraulic Flat Tappet, Advertised Duration 276/276, Lift .533/.533, Ford, 352-428 FE, Kit
Part Number: SUM-K34052
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Housing, Rear Main Seal, Aluminum, Chevy, LS, Each
Part Number: SUM-G2621
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
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