Availability
1981 Manley Engines & Components
Valve, Intake, Stainless Steel, 1.940 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Each
Part Number: MAN-10776-1
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
ROTATING ASSEMBLY KIT-BBC 572 4.250/4.625 -3cc F
Part Number: MAN-38572RHXX
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Connecting Rod, ROD-14050 W/ARP 2000
Part Number: MAN-14050R-1
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
VALVE-S/D 2.080,+.400
Part Number: MAN-11764-8
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve, Intake, Stainless Steel, 1.720 in. Diameter, .342 in. Stem, 5.011 in. Length, Universal, Each
Part Number: MAN-11540-1
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
ROTATING ASSEMBLY KIT-BBC 632 4.750/4.600 43cc D
Part Number: MAN-29632R
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valves, Intake, Stainless Steel, 1.94 in. Diameter, .311 in. Stem, 5.010 in. Length, Chevy, Set of 8
Part Number: MAN-11302-8
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve, Exhaust, XH-432 Xtreme Alloy, 1.880 in. Head Diameter, 5.454 in. Length, Chevy, Big Block, Each
Part Number: MAN-11731-1
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve, Intake, Severe Duty, Stainless Steel, 2.300 in. Diameter, 0.342 in. Stem, 5.725 in. Length, Set of 8
Part Number: MAN-11588-8
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve, AFR intake, 2.080 +.100 Race Flo, .3133 stem, set of 8
Part Number: MAN-12310-8
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .371 in. Stem, 5.474 in. Length, Chevy, Each
Part Number: MAN-11525-1
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
Valve, Exhaust, XH-428 Stainless, 1.900 in. Head Diameter, 5.464 in. Length, Chevy, Big Block, Each
Part Number: MAN-11535-1
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
Connecting Rod, 4340 H-Beam, Cap Screw, Bushed, 6.000 in., Chevy, Small Block, Race Only, Each
Part Number: MAN-14054R-1
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
KIT-BBC 615 4.625/4.600 -3cc F
Part Number: MAN-38615
Not Yet Reviewed
Estimated Ship Date: Mar 26, 2026 if ordered today
Estimated Ship Date: Mar 26, 2026 if ordered today
ROTATING ASSEMBLY KIT-BBC 615 4.625/4.600 -3cc F
Part Number: MAN-38615H
Not Yet Reviewed
Estimated Ship Date: Mar 26, 2026 if ordered today
Estimated Ship Date: Mar 26, 2026 if ordered today
ROTATING ASSEMBLY KIT-BBC 615 4.625/4.600 -3cc F
Part Number: MAN-38615HX
Not Yet Reviewed
Estimated Ship Date: Mar 26, 2026 if ordered today
Estimated Ship Date: Mar 26, 2026 if ordered today
KIT-BBC 615 4.625/4.600 43cc DOME
Part Number: MAN-39615
Not Yet Reviewed
Estimated Ship Date: Mar 26, 2026 if ordered today
Estimated Ship Date: Mar 26, 2026 if ordered today
ROTATING ASSEMBLY KIT-BBC 615 4.625/4.600 43cc D
Part Number: MAN-39615H
Not Yet Reviewed
Estimated Ship Date: Mar 26, 2026 if ordered today
Estimated Ship Date: Mar 26, 2026 if ordered today
ROTATING ASSEMBLY KIT-BBC 615 4.625/4.600 43cc D
Part Number: MAN-39615HX
Not Yet Reviewed
Estimated Ship Date: Mar 26, 2026 if ordered today
Estimated Ship Date: Mar 26, 2026 if ordered today
Main Bearings, P-Series, 1/2 Groove, Standard Size, Tri Metal, Chevy, Big Block, Set of 5
Part Number: MAN-33040
Not Yet Reviewed
Estimated Ship Date: Mar 26, 2026 if ordered today
Estimated Ship Date: Mar 26, 2026 if ordered today
Valve Springs/ Titanium Retainers, Nex Tek, 1.640 in. Outside Diameter, 604 lbs./in. Spring Rate, Kit
Part Number: MAN-261425L
Not Yet Reviewed
Estimated Ship Date: Mar 26, 2026 if ordered today
Estimated Ship Date: Mar 26, 2026 if ordered today
Piston Pin Bushing, AMPCO 18 Material, 0.908 in. Inside Diameter, Each
Part Number: MAN-42051-1
Not Yet Reviewed
Estimated Ship Date: Mar 26, 2026 if ordered today
Estimated Ship Date: Mar 26, 2026 if ordered today
Valve Springs/ Titanium Retainers, Nex Tek, 1.640 in. Outside Diameter, 647 lbs./in. Spring Rate, Kit
Part Number: MAN-261424L
Not Yet Reviewed
Estimated Ship Date: Mar 26, 2026 if ordered today
Estimated Ship Date: Mar 26, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Timing Chain and Gears, Double Roller, 3-bolt, Billet Steel Sprockets, SBC w/ Chevy BBC Crank Snout, Set
Part Number: MAN-73221
Not Yet Reviewed
Estimated Ship Date: Mar 26, 2026 if ordered today
Estimated Ship Date: Mar 26, 2026 if ordered today
Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .342 in. Stem, Stock Length, 5.422 in. Length, Each
Part Number: MAN-10881-8
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
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