CHEVROLET Chevy small block Gen III/IV (LS-based engines) Howards Cams Parts and Accessories

Pistons, ProMax 2618 Race Pistons, Forged, Dish, 4.070 in. Bore, Chevy LS, Set of 8

Part Number: HRS-830711112

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Estimated Ship Date: Jan 14, 2026 if ordered today

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Pistons, ProMax 2618 Race Pistons, Forged, Dish, 4.125 in. Bore, Chevy LS, Set of 8

Part Number: HRS-831211112

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Pistons, ProMax 2618 Race Pistons, Forged, Dish, 4.005 in. Bore, Chevy LS, Set of 8

Part Number: HRS-839011112

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Pistons, ProMax 2618 Race Pistons, Forged, Flat Top, 4.005 in. Bore, Chevy LS, Set of 8

Part Number: HRS-839011304

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Pistons, ProMax 2618 Race Pistons, Forged, Dish, 3.905 in. Bore, Chevy LS, Set of 8

Part Number: HRS-839511112

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Pistons, ProMax 2618 Race Pistons, Forged, Flat Top, 3.905 in. Bore, Chevy LS, Set of 8

Part Number: HRS-839511304

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Camshaft, Hydraulic Roller Tappet, Advertised Duration 274/274, Lift .612/.612, Chevy, Small Block LS, Each

Part Number: HRS-190285-15

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Camshaft, Hydraulic Roller Tappet, Advertised Duration 290/290, Lift .625/.625, Chevy, Small Block LS, Each

Part Number: HRS-190305-15

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DUAL VALVE SPRING

Part Number: HRS-98037

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Valve Spring, Dual, 1.290 in. Outside Diameter, 340 lbs./in. Rate, 1.100 in. Coil Bind Height, Set of 16

Part Number: HRS-98116

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Valve Springs, Dual, 1.295 in. Outside Diameter, 407 lbs./in. Rate, 1.060 in. Coil Bind Height, Set of 16

Part Number: HRS-98118

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Estimated Ship Date: Jan 14, 2026 if ordered today

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Valve Springs, Valve Spring, Dual, 1.304 OD, .680 ID

Part Number: HRS-98122

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Lifters, Race Series, Mechanical Roller, Pro Max High RPM, Vertical Bar, Chevy, Gen III Small Block, Set of 16

Part Number: HRS-91178

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Rocker Arm, Direct Bolt-On, Full Roller, 1.8 Ratio, Aluminum, Purple Anodized, Chevy, LS1, LS2, LS6, Each

Part Number: HRS-90098-1

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