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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.100 in. Stroke, Chevy, 5.7, 6.0L, Each
Part Number: MAN-190124
Not Yet Reviewed
Estimated Ship Date: Nov 26, 2025 if ordered today
Estimated Ship Date: Nov 26, 2025 if ordered today
Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .342 in. Stem, 5.165 in. Length, Chevy, Each
Part Number: MAN-11321-1
Not Yet Reviewed
Estimated Ship Date: Nov 26, 2025 if ordered today
Estimated Ship Date: Nov 26, 2025 if ordered today
Valve Springs, Single, 1.311 in. Outside Diameter, 341 lbs./in. Rate, 1.085 in. Coil Bind Height, Set of 16
Part Number: MAN-221428-16
Not Yet Reviewed
Estimated Ship Date: Nov 26, 2025 if ordered today
Estimated Ship Date: Nov 26, 2025 if ordered today
Valves, Exhaust, NK-844 Stainless, 2.150 in. Diameter, .3415 in. Stem, 5.540 in. Length, Set of 8
Part Number: MAN-11766-8
Not Yet Reviewed
Estimated Ship Date: Nov 26, 2025 if ordered today
Estimated Ship Date: Nov 26, 2025 if ordered today
Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 5.065 in. Length, Chevy, Each
Part Number: MAN-11545-1
Not Yet Reviewed
Estimated Ship Date: Nov 26, 2025 if ordered today
Estimated Ship Date: Nov 26, 2025 if ordered today
Valves, Exhaust, XH-428 Stainless Steel, 1.720 in. Diameter, .372 in. Stem, 5.354 in. Length, Set of 8
Part Number: MAN-11553-8
Not Yet Reviewed
Estimated Ship Date: Nov 26, 2025 if ordered today
Estimated Ship Date: Nov 26, 2025 if ordered today
Valves, Intake, NK-844 Stainless, 2.065 in. Diameter, .3720 in. Stem, 5.218 in. Length, Set of 8
Part Number: MAN-11836-8
Not Yet Reviewed
Estimated Ship Date: Nov 26, 2025 if ordered today
Estimated Ship Date: Nov 26, 2025 if ordered today
VALVE-S/D 1.625,+.100
Part Number: MAN-11851-8
Not Yet Reviewed
Estimated Ship Date: Nov 26, 2025 if ordered today
Estimated Ship Date: Nov 26, 2025 if ordered today
Valves, Exhaust, XH-428 Stainless, 1.500 in. Diameter, 5.140 in. Length, Chevy, Small Block, Set of 8
Part Number: MAN-11747-8
Not Yet Reviewed
Estimated Ship Date: Nov 25, 2025 if ordered today
Estimated Ship Date: Nov 25, 2025 if ordered today
Valves, Intake, NK-844 Stainless, 1.937 in. Diameter, 4.911 in. Length, Chevy, Small Block, Set of 8
Part Number: MAN-11840-8
Not Yet Reviewed
Estimated Ship Date: Nov 26, 2025 if ordered today
Estimated Ship Date: Nov 26, 2025 if ordered today
CRANK-4340 FORGE 4.250 STROKE
Part Number: MAN-190290
Estimated Ship Date: Nov 26, 2025 if ordered today
Estimated Ship Date: Nov 26, 2025 if ordered today
Valves, Intake, Stainless Steel, 2.055 in. Diameter, .341 in. Stem, 5.026 in. Length, Chevy, Set of 8
Part Number: MAN-11846-8
Not Yet Reviewed
Estimated Ship Date: Nov 25, 2025 if ordered today
Estimated Ship Date: Nov 25, 2025 if ordered today
Valves, Exhaust, Stainless Steel, 1.900 in. Diameter, .341 in. Stem, 5.522 in. Length, Chevy, Set of 8
Part Number: MAN-11811-8
Not Yet Reviewed
Estimated Ship Date: Nov 24, 2025 if ordered today
Estimated Ship Date: Nov 24, 2025 if ordered today
Valve, Intake, Stainless Steel, 2.300 in. Diameter, .372 in. Stem, 5.513 in. Length, Chevy, Each
Part Number: MAN-11570-1
Not Yet Reviewed
Estimated Ship Date: Nov 26, 2025 if ordered today
Estimated Ship Date: Nov 26, 2025 if ordered today
Connecting Rod Bolts, Manley Replacement Bolts, Alloy 2000, Chevy, Small Block, V8, Set of 4
Part Number: MAN-42351-4
Estimated Ship Date: Nov 26, 2025 if ordered today
Estimated Ship Date: Nov 26, 2025 if ordered today
Valve, Intake, Stainless Steel, 1.900 in. Diameter, 0.342 in. Stem, 5.522 in. Length, Chevrolet, Set of 8
Part Number: MAN-11739-1
Not Yet Reviewed
Estimated Ship Date: Nov 26, 2025 if ordered today
Estimated Ship Date: Nov 26, 2025 if ordered today
Valve, Intake, NK-842 Stainless, 2.250 in. Diameter, .3415 in. Stem, 5.344 in. Length, Each
Part Number: MAN-11814-1
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
GPLATES-BBC 7/16
Part Number: MAN-42149-8
Not Yet Reviewed
Estimated Ship Date: Nov 26, 2025 if ordered today
Estimated Ship Date: Nov 26, 2025 if ordered today
Valve, Exhaust, Stainless Steel, 1.500 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Each
Part Number: MAN-10721-1
Not Yet Reviewed
Estimated Ship Date: Nov 26, 2025 if ordered today
Estimated Ship Date: Nov 26, 2025 if ordered today
Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Each
Part Number: MAN-11543-1
Not Yet Reviewed
Estimated Ship Date: Nov 26, 2025 if ordered today
Estimated Ship Date: Nov 26, 2025 if ordered today
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Valve, Exhaust, Stainless Steel, 1.500 in. Diameter, .342 in. Stem, 4.911 in. Length, Universal, Each
Part Number: MAN-11567-1
Not Yet Reviewed
Estimated Ship Date: Nov 26, 2025 if ordered today
Estimated Ship Date: Nov 26, 2025 if ordered today
Valve, Exhaust, Stainless Steel, 1.625 in. Diameter, .341 in. Stem, 5.036 in. Length, Chevy, Each
Part Number: MAN-11537-1
Not Yet Reviewed
Estimated Ship Date: Nov 26, 2025 if ordered today
Estimated Ship Date: Nov 26, 2025 if ordered today
Timing Chain and Gear Set, Double Roller, Iron/Steel Sprockets, Chevy, Big Block, Set
Part Number: MAN-73192
Not Yet Reviewed
Estimated Ship Date: Nov 26, 2025 if ordered today
Estimated Ship Date: Nov 26, 2025 if ordered today
Valve Spring, Nex Tek, Dual, 1.324 in. Outside Diameter, 435 lbs/in., Each
Part Number: MAN-221421-1
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Connecting Rod, Sportmaster, 4340 I-Beam, Cap Screw, Bushed, 5.7 in. Length, Chevy, 327/350/400, Set 8
Part Number: MAN-14105-8
Not Yet Reviewed
Estimated Ship Date: Nov 26, 2025 if ordered today
Estimated Ship Date: Nov 26, 2025 if ordered today
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