Availability
Pro LS 2618 Forged Piston, 3.898 bore, 1.299 C.H., 7cc dish, Std. Stroke, 6.125 Full-floating Rod, NA/Boost/Nitrous, Coated, 5.7L LS1 LS6, Set of 8
Part Number: SUM-2999273898-7
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Timing Chain and Gear Set, Adjustable, Billet Steel, Single Roller, 3-Bolt, 1X, -0.005 in. Line Hone, LS, Kit
Part Number: SUM-G6645-1X-005
Not Yet Reviewed
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Oil Cooler Bypass Block-Off Plate, Billet Aluminum, Clear Anodized, With Single 90* 1/8 in. NPT Ports, Chevy, LS, Each
Part Number: SUM-121028
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Pro LS 2618 Forged Piston, 4.005 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-3269434005-2
Not Yet Reviewed
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Timing Chain and Gear Set, Adjustable, Billet Steel, Single Roller, 3-Bolt, 4X, -0.005 in. Line Hone, LS, Kit
Part Number: SUM-G6647-4X-005
Not Yet Reviewed
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Engine Rebuild, Hypereutectic Dish Top, Plasmamoly Rings, Stock Bore, Bearings, Chevy, LS, Kit
Part Number: CMB-08-0072
Not Yet Reviewed
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
SUM-8728 Pro LS Big Truck Torkinator Level 2 Cam Kit, Beehive Springs, Seals, 212/218 Dur., 110 + 3, .600/.585 Lift, 3 Bolt, 4.8, 5.3, 6.0, 6.2 Vortec
Part Number: SUM-8728-2-BHV
Not Yet Reviewed
Cannot be shipped Internationally
Cannot be shipped Internationally
Pro LS 2618 Forged Pistons. 3.785 bore, 1.299 C.H., 7cc dish, Std. Stroke, .6.125 Rod, NA/Boost/Nitrous, Coated, 4.8L 5.3L LS Vortec Truck, Set of 8
Part Number: SUM-2999273785-7
Not Yet Reviewed
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Pro LS 2618 Forged Piston, 3.903 bore, 1.299 C.H., 3cc mini dome, Std. Stroke, 6.125 Full-float Rod, NA/Boost/Nitrous, Coated, 5.7L LS1 LS6, Set of 8
Part Number: SUM-2999273903-3
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Pro LS Rotating Assembly, 332 Cid., 3.820 bore, Standard 3.622 stroke, 58x, 6.098 rod, 2cc dome, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit Rings, H Bearing
Part Number: SUM-R58368202
Not Yet Reviewed
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, Chevy LS, .001 Extra Clearance, Racing 270 Deg. Oil groove, set
Part Number: SUM-7298HXS
Not Yet Reviewed
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Plug Fitting, LS Oil Pan Pressure Relief Valve, 14mm x 1.5 Size, Male Threads, Internal Allen Head, Crush Washer, Aluminum, Black, Each
Part Number: SUM-01-3454
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Pro LS 2618 Forged Piston, 3.898 bore, 1.326 C.H., 3cc mini dome, Std. Stroke, Gen. 3 Press-fit Rod, NA/Boost/Nitrous, Coated, 5.7L LS1 LS6, Set of 8
Part Number: SUM-3269453898-3
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Valve Cover Set, LS Race, Lightweight Die Cast Aluminum, With Coil Mounts, Silver Powder Coat, Pair
Part Number: SUM-440825
Not Yet Reviewed
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
SUM-8722 Level 1 Cam Kit with Dual Springs Steel Retainers Locks and Seals, Stage 3 Pro LS Twin-Turbo Cam. 234/238 Dur., 115+5, .625/.605 Lift, 3-bolt
Part Number: SUM-8722-1-DLSTL
Not Yet Reviewed
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Pro LS 2618 Forged Piston, 3.810 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-110927381012
Not Yet Reviewed
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Pro LS 2618 Forged Piston, 3.898 bore, 1.299 C.H., 3cc mini dome, Std. Stroke, 6.125 Full-float Rod, NA/Boost/Nitrous, Coated, 5.7L LS1 LS6, Set of 8
Part Number: SUM-2999273898-3
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Forged Pro pistons for 383 Stroker Chevy Long Rod, 4.030 bore, 1.125 C.H., 3.75 in. stroke, 6 in. rod, 9cc reverse dome 10.5@64cc, 10.1@67cc, 9.7@72cc
Part Number: SUM-SBC383030L
Not Yet Reviewed
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Main Bolts, Side Bolts Only, 6-bolt Style, Hex, Chevy, LS, Set of 10
Part Number: SUM-910229-3
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Chevy LS 4340 Forged Steel Crankshaft, 4.000 stroke, 24X Reluctor, Lightened, Nitride Hardened, Narrowed Rod Bearings Req.
Part Number: SUM-180LS400024
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Pro LS 2618 Forged Piston, 4.030 bore, 1.326 C.H., 12cc Dish, Std. Stroke, Full Float Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LY6 LQ4 LQ9,Set of 8
Part Number: SUM-326943403012
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Stage 4 Pro LS Turbo Cam. 238/234 117+5, .625/.600 Lift, 2 deg. Overlap, Maximum Power for larger 364+ CID. 6.0, 6.2, 7.0L, LS2 LS3 LS7 LQ4 LQ9
Part Number: SUM-8717R1
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Pro LS 2618 Forged Piston, 3.810 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-1109273810-5
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Pro LS 2618 Forged Piston, 4.005 bore, 1.326 C.H., 12cc Dish, Std. Stroke, Full Float Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LY6 LQ4 LQ9,Set of 8
Part Number: SUM-326943400512
Not Yet Reviewed
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Cylinder Head Dowel Pin, Solid, Chevy GM, LS/LSX, Gen III/IV For use with standard or 1/2 in. head studs. Set of 4
Part Number: SUM-910233
Not Yet Reviewed
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
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