Availability
1975 Manley Parts and Accessories
Valve, Exhaust, Severe Duty, Stainless Steel, 1.625 in. Diameter, 0.3415 in. Stem, 4.936 in. Length, Set of 8
Part Number: MAN-11585-8
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Valves, Intake, Stainless Steel, 2.300 in. Diameter, .372 in. Stem, 5.513 in. Length, Chevy, Set of 8
Part Number: MAN-11570-8
Not Yet Reviewed
Valves, Intake, NK-844 Stainless Steel, 2.020 in. Diameter, 0.342 in. Stem, 5.250 in. Length, Set of 8
Part Number: MAN-11702-1
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Valves, Exhaust, XH-428 Stainless Steel, 1.600 in. Diameter, 0.342 in. Stem, 5.255 in. Length, Set of 8
Part Number: MAN-11703-8
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Valves, Exhaust, XH-426 Stainless, 1.900 in. Diameter, .3715 in. Stem, 5.422 in. Length, Set of 8
Part Number: MAN-11707-1
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Valves, Intake, Stainless Steel, 2.080 in. Diameter, .311 in. Stem, 5.010 in. Length, Set of 8
Part Number: MAN-11712-8
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
KIT-SBC 383 3.750/4.030
Part Number: MAN-290030
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
ROTATING ASSEMBLY KIT-BBC 598 4.500/4.600 43cc D
Part Number: MAN-29598RH
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
CRANK-4340 FORGE 4.250 STROKE
Part Number: MAN-190290
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Crankshafts, SBC 4340 Forged Lightweight Crankshaft. 3.480" stroke, 48-50 lb. total weight, 2.100" rod journal, two piece rear main seal
Part Number: MAN-190310NB
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Valve, Intake, Stainless Steel, 2.055 in. Diameter, .311 in. Stem, 5.010 in. Length, Chevy, Each
Part Number: MAN-11234-1
Not Yet Reviewed
Estimated Ship Date: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 if ordered today
Pistons, PIST-1.120 CD/FT 4.600
Part Number: MAN-698180-8
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
VALVE-BBC E/D 1.900
Part Number: MAN-12745-8
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
VALVE-BBC E/D 1.940
Part Number: MAN-12773-8
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Piston, Forged, Flat, 4.030 in. Bore, Chevy, Each
Part Number: MAN-591130L-1
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Pistons, Forged, Flat, 4.030 in. Bore, Chevy, Set of 8
Part Number: MAN-591230-8
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Valves, Intake, Stainless Steel, 2.080 in. Diameter, .372 in. Stem, 4.873 in. Length, Mopar, Set of 8
Part Number: MAN-11892-8
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Valve, Exhaust, Race Master, Stainless Steel, 1.880 in. Diameter, 0.3415 in. Stem, 5.170 in. Length, Set of 8
Part Number: MAN-11899-8
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Valves, Intake, NK-842 Stainless, 2.080 in. Diameter, .3415 in. Stem, 5.140 in. Length, Set of 8
Part Number: MAN-11564-8
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Valve, Exhaust, Race Master, Stainless Steel, 1.900 in. Diameter, 0.3415 in. Stem, 5.422 in. Length, Set of 8
Part Number: MAN-11765-8
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Valve, Exhaust, Severe Duty, Stainless Steel, 1.600 in. Diameter, 0.3415 in. Stem, 5.565 in. Length, Set of 8
Part Number: MAN-11767-8
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Valve, Exhaust, 1.900 in. Head Diameter, 8.68mm Stem Diameter, 5.522 in. Overall Length, Chevy, Set of 8
Part Number: MAN-11769-8
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Valves, Intake, Titanium, 2.300 in. Diameter, .3415 in. Stem, 5.350 in. Length, Chevy Big Block, Each
Part Number: MAN-11944TB-1
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Valve, Intake, Severe Duty, Stainless Steel, 2.125 in. Diameter, 0.3415 in. Stem, 5.026 in. Length, Set of 8
Part Number: MAN-11848-8
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Valves, Intake, NK-844 Stainless, 2.100 in. Diameter, .342 in. Stem, 5.026 in. Length, Set of 8
Part Number: MAN-11852-8
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
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