180 Results Found For "pressure"

Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.7 Ratio, Fits 7/16 in. Stud, Ford, 289-351, V8, Each

Part Number: HRS-90082-1

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.73 Ratio, Fits 7/16 in. Stud, Ford, V8, Each

Part Number: HRS-90083-1

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Pistons, SB Chev, DM, 4.125"

Part Number: HRS-841200603R

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Pistons, Pistons, Chev BB, DM, 4.600", Each

Part Number: HRS-856027638-1

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Valve Spring, Single, 1.280 in. Outside Diameter, 236 lbs./in. Rate, 1.150 in. Coil Bind Height, Each

Part Number: HRS-98115-1

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Valve Springs, Single, 1.450 in. Outside Diameter, 457 lbs./in. Rate, 1.320 in. Coil Bind Height, Set 16

Part Number: HRS-98117

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 23, 2026 if ordered today

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Valve Spring, Inverted Conical, Single, 1.450 in. O.D., 457 lbs./in. Rate, 1.320 in. Coil Bind Height, Each

Part Number: HRS-98117-1

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Pushrod, Performance Series, 3/8 in. Diameter, 8.595 in. Length, Ball/Ball Ends, Each

Part Number: HRS-95220-E

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Pushrod, Performance Series, 3/8 in. Diameter, 8.280 in. Length, Ball/Ball Ends, Each

Part Number: HRS-95222-I

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Pushrod, Performance Series, Steel, Heat-Treated, 5/16 in. Diameter, 7.205 in. Length, Universal, Each

Part Number: HRS-95201-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 23, 2026 if ordered today

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Pushrod, Performance Series, Steel, Heat-Treated, 5/16 in. Diameter, 7.700 in. Length, Universal, Each

Part Number: HRS-95203-1

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Valve Springs, Valve Spring, Ovate Behive

Part Number: HRS-98110-1

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Lifter, Ford BB, Hyd Roller, Limited Travel, Race

Part Number: HRS-91231

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Estimated Ship Date: Today

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Pistons, SB Chev, DM, 4.040"

Part Number: HRS-840412608R

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Pistons, SB Chev, DM, 4.155"

Part Number: HRS-841500603

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LIFTER

Part Number: HRS-91178-2

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Pushrod, Series C1010, Steel, 5/16 in. Diameter, Ball/Ball Ends, 6.804 in. Length, Each

Part Number: HRS-95198-1

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Valve Spring, Inverted Conical, Single Beehive, 1.207 in. O.D., 1.072 in. I.D., 340 lbs/in., 0.625 in. Maximum Lift, 1.100 in. Coil Bind, Each

Part Number: HRS-98112-1

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Lifters, Pro Max, Mechanical Roller, Pro Max Direct Lube, Vertical Bar, Chevy, Small Block, Pair

Part Number: HRS-91188-2

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Estimated Ship Date: Mar 24, 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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Estimated Ship Date: Mar 23, 2026 if ordered today

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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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Estimated Ship Date: Mar 23, 2026 if ordered today

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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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Estimated Ship Date: Mar 23, 2026 if ordered today

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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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Estimated Ship Date: Mar 23, 2026 if ordered today

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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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Estimated Ship Date: Mar 23, 2026 if ordered today

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Pistons, ProMax 2618 Race Pistons, Forged, Flat Top, 4.030 in. Bore, Chevy Small Block, Each

Part Number: HRS-840306305L

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Estimated Ship Date: Mar 23, 2026 if ordered today

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