2012 Summit Racing Engines & Components

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 Pass.side,

Part Number: SUM-HEMI1855761P

Not Yet Reviewed

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

• Free Shipping

Pro LS 4340 Piston and Rod Kit, 365 Cid., 4.005 bore, 3.622 stroke, 6.098 rod, 12cc dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR3600512

Not Yet Reviewed

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

• Free Shipping

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 3/23/2026 if shipped by air

• Free Shipping

Timing Gear, Adjustable, Billet Steel, 3-Bolt, 1X, Single Row, 0.005 in. Line Hone, Chevy LS, Each

Part Number: SUM-G6643-1X-005

Not Yet Reviewed

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

Summit Precision High-Tensile Tri-Metal Alloy Racing Rod Bearings, SBC/LS 2.100 pin, .837 width, Standard Clearance, set

Part Number: SUM-663HDS

Not Yet Reviewed

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

Pro LS 4340 Rotating Assembly, 417 Cid., 4.075 bore, 4.000 stroke, 58x, 6.125 rod, 6cc dish, 11.5:1 @ 65cc, 11:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58400756

5.0 out of 5 stars ( 1 )

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

Pro LS 4340 Rotating Assembly, 410 Cid., 4.040 bore, 4.000 stroke, 58x, 6.125 rod, 8cc dish, 11.2:1 @ 65cc, 10.6:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58400408

Not Yet Reviewed

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

Pro LS 4340 Rotating Assembly, 360 Cid., 3.785 bore, 4.000 stroke, 58x, 6.125 rod, 5cc dish, 10.9:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R58407855

Not Yet Reviewed

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

Pro LS 4340 Rotating Assembly, 403 Cid., 4.005 bore, 4.000 stroke, 58x, 6.125 rod, 8cc dish, 11:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58400058

Not Yet Reviewed

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

Pro LS 4340 Rotating Assembly, 367 Cid., 3.820 bore, 4.000 stroke, 58x, 6.125 rod, 12cc dish, 10:2 @ 61cc, 9.8:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R584082012

Not Yet Reviewed

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

Pro LS Rotating Assembly, 330 Cid., 3.810 bore, Standard 3.622 stroke, 58x, 6.098 rod, 7cc dish, 9.8:1 @ 61cc, 9.4:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R58368107

Not Yet Reviewed

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

Pro LS Rotating Assembly, 365 Cid., 4.005 bore, 3.622 stroke, 58x, 6.098 rod, 2cc Flat Top, 10.8:1 @ 65cc, 10.2:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58360052

Not Yet Reviewed

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

Pro LS 4340 Rotating Assembly, 383 Cid., 3.903 bore, 4.000 stroke, 24X, 6.125 rod, 16cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R244090316

3.5 out of 5 stars ( 2 )

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, 6.125 rod, 2cc dome, 10.9:1 @ 61cc, 10.3:1 @ 65cc, File-Fit Ring, H Bearing

Part Number: SUM-R2436L7802

Not Yet Reviewed

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

Pro LS 4340 Rotating Assembly, 402 Cid., 4.000 bore, 4.000 stroke, 24X, 6.125 rod, 20cc dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R244000020

5.0 out of 5 stars ( 1 )

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

Pro LS Rotating Assembly, 330 Cid., 3.810 bore, Standard 3.622 stroke, 24X, 6.098 rod, 2cc dome, 11:1 @ 61cc, 10.4:1 @ 65cc, File-Fit ring, H Bearings

Part Number: SUM-R24368102

Not Yet Reviewed

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

Pro LS Rotating Assembly, 330 Cid., 3.810 bore, Standard 3.622 stroke, 24X, 6.125 rod, 2cc dome, 11:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R2436L8102

Not Yet Reviewed

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

Pro LS 4340 Rotating Assembly, 367 Cid., 3.820 bore, 4.000 stroke, 24X, 6.125 rod, 12cc dish, 10:2 @ 61cc, 9.8:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R244082012

Not Yet Reviewed

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

Pro LS Rotating Assembly, 364 Cid., 4.000 bore, 3.622 stroke, 24X, 6.098 rod, 2cc Flat Top, 10.7:1 @ 65cc, 10.4:1 @ 70cc File-Fit Rings, H Bearings

Part Number: SUM-R24360002

Not Yet Reviewed

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

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-326S45400012

Not Yet Reviewed

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

Timing Chain and Gear Set, True Roller, Single Roller, Billet Steel Sprockets, 1-Bolt, 4X Cam, Chevy, LS3, 6.2L, Set

Part Number: SUM-G6641

5.0 out of 5 stars ( 1 )

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

• Free Shipping

Pro LS Big Gun 2 Hydraulic Roller Cam, Stage 4.7, 242/251, 116 + 6, .625/.605 with 1.7, .662/.641 with 1.8, 3900-7200+ RPM, 6.2+, Each

Part Number: SUM-8730R1

Not Yet Reviewed

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

• Free Shipping

SUM-8727 Pro LS Truck Torkinator Level 1 Cam Kit, Beehive Springs, 200/205 Dur., 113 +4, .550/.550 Lift, 3-Bolt, 4.8, 5.3, 6.0 , 6.2 Vortec Truck

Part Number: SUM-8727-1-BHV

Not Yet Reviewed

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

• Free Shipping

Summit Precision High-Tensile Tri-Metal Alloy Racing Main Bearings, 2009+ 5.7, 6.2 and 6.4 G3 Hemi .001 undersize (thicker) 1/2 Upper groove, set

Part Number: SUM-2221H025

Not Yet Reviewed

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

Center Mounting Bolts, Steel, Natural, Designed For Summit Racing™ Pro LS Valve Covers, Chevy GM, LS/LSX, Gen III/IV, Set of 8

Part Number: SUM-440343-BK

Not Yet Reviewed

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