Engines & Engine Parts

Pro LS 4340 Piston and Rod Kit, 360 Cid., 3.785 bore, 4.000 stroke, 6.125 rod, 5cc dish, 10.9:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR407855

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Pro LS Piston and Rod Kit, 371 Cid., 4.040 bore, 3.622 stroke, 6.098 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR360402

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Big Block PRO BBC H.R. 6 H.O. Cam, LS Firing Order, 242/256 Duration @ .050, 108 LSA + 4 Adv., .624/.620 with 1.7 ratio, .661/.655 with 1.8, 3800-6800

Part Number: SUM-1256-H-O

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Big Block PRO BBC H.R. 7 H.O. Cam, LS Firing Order, 248/264 Duration @ .050, 108 LSA + 4 Adv., .624/.624 with 1.7 ratio, .661/.661 with 1.8, 3900-7000

Part Number: SUM-1257-H-O

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Crankshaft Pulley, 6-Groove, Serpentine, Aluminum, Polished, Replacement for SUM-340400 Only, Each

Part Number: SUM-340400-1

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Cam and Lifters, Hydraulic Flat Tappet, Advertised Duration 278/290, Lift .471/.471, Ford, Small Block, Kit

Part Number: SUM-K3601

4.93 out of 5 stars ( 15 )

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Pro LS Solid Roller Cam 5, 264 Int. / 272 Exh., 113 LSA + 3 Adv., .707/.707 lift with 1.7 rocker, .749/.749 with 1.8 with SUM-174012DP-16 Springs

Part Number: SUM-8700SR5

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Pro LS 4340 Rotating Assembly, 346 Cid., 3.898 bore, 3.622 stroke, 58x, 6.125 rod, 7cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L8987

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Pro LS 4340 Rotating Assembly, 347 Cid., 3.903 bore, 3.622 stroke, 58x, 6.125 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L9033

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Pro LS Rotating Assembly, 370 Cid., 4.030 bore, 3.622 stroke, 58x, 6.098 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58360302

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Pro LS 4340 Rotating Assembly, 346 Cid., 3.898 bore, 3.622 stroke, 58x, 6.125 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L8983

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Cam and Lifters, Hydraulic Flat Tappet, Advertised Duration 278/288, Lift .421/.444, Pontiac, V8, Kit

Part Number: SUM-K2800

5.0 out of 5 stars ( 4 )

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Pro LS 4340 Rotating Assembly, 347 Cid., 3.903 bore, 3.622 stroke, 58x, 6.125 rod, 7cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L9037

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Pro LS Rotating Assembly, 332 Cid., 3.820 bore, Standard 3.622 stroke, 24X, 6.125 rod, 7cc dish, 9.9:1 @ 61cc, 9.4:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R2436L8207

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Pro LS Solid Roller Cam 4 SP, 258 Int. / 270 Exh., 109 LSA + 2 Adv., .707/.707 lift with 1.7 rocker, .749/.749 with 1.8 with SUM-174012DP-16 Springs

Part Number: SUM-8700SR4SP

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Pro LS 4340 Rotating Assembly, 347 Cid., 3.903 bore, 3.622 stroke, 24X, 6.125 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R2436L9033

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Forged Pro BB Chevy 4340 Forged Steel H-Beam Connecting Rods, 6.700 in. Length, .990 Floating Pin, ARP 2000 7/16 in. 12 pt. Bolts, Set of 8

Part Number: SUM-BBC67002H

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Camshaft, Hydraulic Flat Tappet, Advertised Duration 284/284, Lift .512/.512, Ford, Small Block, Each

Part Number: SUM-1791

5.0 out of 5 stars ( 2 )

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Forged Pro BB Chevy 4340 Forged Steel H-Beam Connecting Rods, 6.535 in. Length, .990 Floating Pin, 8740 7/16 in. 12 pt. Bolts, Set of 8

Part Number: SUM-BBC65358H

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Camshaft Kit, Pro LS Vortec Truck Swap, Hydraulic Roller Tappet, Advertised Duration 258/270, Lift .500/.500, Chevy, LS, Each

Part Number: SUM-8718-1

4.5 out of 5 stars ( 4 )

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Pro LS 4340 Piston and Rod Kit, 367 Cid., 3.820 bore, 4.000 stroke, 6.125 rod, 5cc dish, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR408205

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Engine Rotating Kits, Pro LS Crank and Rod Kits, Forged 4340 Steel, 6.098 in. Connecting Rod Length, 4.000 in. Stroke, Chevy, 5.3L, 5.7L, 6.0L, Kit

Part Number: SUM-CR4024098

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Pro LS 4340 Rotating Assembly, 376 Cid., 4.065 bore, 3.622 stroke, 24X, 6.125 rod, 12cc dish, 9.9:1 @ 65cc, 9.4:1 @ 70cc, File-Fit rings, H Bearings

Part Number: SUM-R2436L06512

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Pro SBC Retrofit Stage 7 Hyd. Roller LS Firing Order Cam, 252/258 Dur., 110 LSA + 2 Adv, .550/.550 1.5 Ratio, .587/.587 1.6 Ratio, 3200-7200 RPM Range

Part Number: SUM-1227

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Forged Pro Mopar SB 4340 Forged Steel I-Beam Connecting Rod, 6.123 in. Length, .984 Floating Pin, 8740 7/16 in. 12 pt. Bolts, Each

Part Number: SUM-MOP61238I-1

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