CHEVROLET Chevy small block Gen III/IV (LS-based engines) Engines & Components

Rocker Arms, Pedestal Mount, Full Roller, Aluminum, 1.8 Ratio, Chevy, 4.8/5.3/5.7/6.0/7.0L, Set of 16

Part Number: SUM-G6981

4.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

• Free Shipping

Valve Covers, Vintage Series, Centerbolt, Stock Height, Finned, Cast Aluminum, Polished Finish, Chevy, LS, 4.8-7.0L, Pair

Part Number: HLY-241-131

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Piston Rings, Plasma-moly, 4.020 in. Bore, 1.2mm, 1.5mm, 2.5mm Thickness, 8-Cylinder, Set

Part Number: HSN-2M5170020

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Accessory Drive Systems, Mid-Mount, Natural, Serpentine, 6-groove, GM Type 2, Sanden SD-7, Chevy, LSA/LS, Kit

Part Number: HLY-20-163

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Pistons, Flat Top, Competition Series, Forged Aluminum, 4.030 in. Bore, -2.00cc Head Volume, Chevy, LS, Set of 8

Part Number: DPP-11512-R1-8

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Pistons, FHR Coated, Forged 4032 Aluminum, Flat Top with Two Reliefs, 4.000 in. Bore, 0.927 in. Wrist Pin, GM, LS, 6.0/6.2L, Set

Part Number: UEM-IC9992C-STD

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Oil Pickup, Press Fit, 5.375 in. Depth, Chevy, 5.7, 6.0, 6.2, 7.0L, Each

Part Number: MIL-18292

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

Rod Bearings, Race Series, CT-1 Coated, Tri-Metal, .010 in., .25mm Crankshaft Undersize, Chevrolet, Small Block, LS, Set of 8

Part Number: PEB-8B663HC-010

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Comp Series LS2 FT 4.005B/4.000S/6.125R/

Part Number: DPP-11540-R1

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Drop Ship
• Special Order

Harmonic Balancer, Super Damper, Internal Balance, Aluminum/Steel, Black, Chevy, LS7, Non-Removable A/C Pulley, Each

Part Number: ATI-918620N

Not Yet Reviewed

Estimated Ship Date: Sep 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Pro LS 4340 Rotating Assembly, 364 Cid., 4.000 bore, 3.622 stroke, 24X, 6.098 rod, 12cc dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings, H Bearings,

Part Number: SUM-R243600012

Not Yet Reviewed

Estimated Ship Date: Today

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: Today

• Free Shipping

Valve Springs, 1400 Series, Single, 1.305 in. Outside Diameter, 437 lb/in., 0.943 in Inside Diameter, Set of 16

Part Number: RSC-PAC-1421-16

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston Rings, Moly, 4.060 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: SLP-E-921K60

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

Valve Springs, Beehive, Single, 1.290 in. O.D., 313 lbs./in. Rate, 1.140 in. Coil Bind Height, Each

Part Number: RSC-PAC-1218

Not Yet Reviewed

Estimated Ship Date: Today

Pro LS Piston and Rod Kit, 365 Cid., 4.005 bore, 3.622 stroke, 6.125 rod, 2cc Flat Top, 10.8:1 @ 65cc, 10.2:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L0052

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Pistons, SX-Series, Forged, 5.00cc Flat, 3.780 in. Bore, Chevy LS, Set of 8

Part Number: DMS-1810-3780

Not Yet Reviewed

Estimated Ship Date: Sep 30, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kits, Premium, Forged Aluminum, 4.065 in. Bore, 3.622 in. Stroke, Flat Top, Chevy, LS, Set of 8

Part Number: UEM-S00059

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Rocker Arm, 1.7 Ratio, Needle Bearing, Offset Intake, Straight Exhaust, Steel, Chevy, Small Block, GEN IV LS, L92, LS9, LS3, Set of 16

Part Number: PQX-0636417

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Pro LS 2618 Forged Piston, 4.080 bore, 1.299 C.H., 2cc Dome, Std. Stroke, 6.125 .927 Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.2L LS3 L92 LS9, Set of 8

Part Number: SUM-2999274080-2

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Piston, Pro LS, 3.780 in. Bore, Forged Aluminum, Dome, 0.927 Pin Diameter, Chevy, Each

Part Number: SUM-299S273780-2

Not Yet Reviewed

Estimated Ship Date: Today

Piston Rings, Plasma-moly, 3.789 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-2M4978010

Not Yet Reviewed

Estimated Ship Date: Today

Pistons, PowerPak Piston Kits, Stroked, 4.030 in. Bore, Forged Aluminum, Dome, Rings, Chevrolet, 5.7L, 6.0L, 6.2L, Set of 8

Part Number: MLE-930229630

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Pro LS 2618 Forged Piston, 3.785 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-1109273785-5

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Pro LS 2618 Forged Piston, 3.903 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-2999273903-7

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping