Availability
2012 Engines & Components
Valve Covers, Tall Height, Cast Aluminum, Black Crinkle, Plain, Chevy, LS, Pair
Part Number: SUM-440362
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Valve Springs, Beehive Valve Spring Kits, Single, 0.625 in. Maximum Valve Lift, 1.285 in./1.020 in. Outer Spring O.D., Chevy, Small Block LS, Kit
Part Number: BTC-BTR-SK018
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Pistons, Pro Tru Street, Forged, Dome, 4.000 in. Bore, Chevy, 6.0L LS, Set of 8
Part Number: WIS-PTS523AS
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Rear Main Seal Cover, Aluminum, Natural, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Saab, Kit
Part Number: RNB-635-518
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Pro LS 4340 Rotating Assembly, 415 Cid., 4.065 bore, 4.000 stroke, 58x, 6.125 rod, 6cc dish, 11.5:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R58400656
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Harmonic Balancer, Crank Pulley, 25 Percent Underdrive, SFI, Internal Balance, Short Spacing, 5.7, 6.0, 6.2L, Each
Part Number: SUM-C2503
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Rod Bearing, H Series, .010 in Crankshaft Undersize, TM-77, Chevy, Small Block, Each
Part Number: CLE-CB663HN10
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Engine Oil Dipstick, Flexible Black Braided Stainless Steel, Billet Aluminum Handle, Black Anodized, Chevy, Small Block, LS, Truck, Each
Part Number: LOK-XED-5019
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Camshaft, HRT Stage 1, Hydraulic Roller, 1,700-6,500 Range, 0.520./0.515 Lift, 114 LSA, Dodge, Chrysler, Jeep, RAM, Hemi, Each
Part Number: CCA-201-300-17
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Cylinder Head Studs, Pro Series, 12-point, Custom Age 625, Black Oxide, 11mm Thread Size, Washers, Chevy, Kit
Part Number: ARP-234-4314
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Camshaft Kit, Pro LS Vortec Truck Swap, Hydraulic Roller Tappet, 222/232 Dur.@ .050 112 LSA +5 Adv. Lift .550/.550, Chevy GM, LS/LSX, Gen III/IV, Each
Part Number: SUM-8713-1
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Oil Galley Barbell Plug, OEM-Style, Billet Aluminum, Viton® O-Rings, Chevy, LS, Each
Part Number: IRP-EGM-501
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
GM LS Compatible 376 c.i. Pro Series Engine - 510 Horsepower - Deluxe Dressed - Polished Pulley Kit - Holley Terminator X EFI System
Part Number: MLL-S0064
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Pro LS 2618 Forged Piston, 4.000 bore, 1.299 C.H., 2cc Flat, Std. Stroke, 6.125 .927 Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LY6 LQ4 LQ9, Set of 8
Part Number: SUM-2999274000-2
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Alternator and Power Steering Brackets, Driver Side, Alternator Upper Mount, Power Steering Lower Mount, Billet Aluminum, Chevy, LS, Kit
Part Number: ICB-551519X-3
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Engine 427 c.i. LS Builder Series Iron Block Standard Edition, Fuel Injected, 4L65/70E Automatic Transmission w/Pulley Kit
Part Number: MLL-BLS4278K4L7
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Variable Valve Timing VVT Delete Combo, Cam Bolts, 3-bolt Cam Sprocket, Timing Cover, Damper Bolt, Chevy, 4.8L, 5.3L, 6.0L, 6.2L, Kit
Part Number: CMB-09-0027
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Lifter, Factory Hydraulic Roller, AFM, Chevy, Each
Part Number: MEL-JB-8011
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Cylinder Head Studs, Pro Series, 12-Point Head, Chevy, LSX, Kit
Part Number: ARP-234-4319
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Replica Block, Steel, Natural, Includes Hardware, Chevy, LS, Each
Part Number: SUM-774001
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Stage 3 Pro LS Turbo Cam. 232/234 115.5 + 5.5, .600/.575 Lift, 4.8, 5.3, 5.7, 6.0, 6.2, 7.0, Vortec Truck LS1 LS2 LS6 LS3 LS7 LS9 LQ4 LQ9 LM7, Each
Part Number: SUM-8716R1
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Lifters/Trays/Bolts, Hydraulic Roller, Chevy, LS Gen. 3 and 4, Gen. 5 LT, Kit
Part Number: SUM-HTLSKIT3
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Pro LS Big Truck Torkinator High Lift. 212/218 Dur., 110+3, .600/.585 Lift, 3-bolt, 4.8 5.3 5.7 6.0 6.2, Vortec LM7 L33 LS2 L92 L96 LY6 LQ4 LQ9 , Each
Part Number: SUM-8728R1
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Camshaft, BTR, Stage 2 Truck V2, No Springs Required, 212 int./218 exh. Duration, 0.480 in./0.480 in. Lift, 111 LSA, 3-Bolt, 4.8L, 5.3L, 6.0L, Each
Part Number: BTC-31218110NSR
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Pistons, Pro Tru Street Pistons, 4.030 in. Bore, Forged, Dome, Please Verify Piston Pin Diameter Before Ordering, Chevrolet, LS, Kit
Part Number: WIS-PTS523A3
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
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