1978 Manley Engines & Components

Valve, Exhaust, Stainless Steel, 1.500 in. Diameter, .3415 in. Stem, 4.951 in. Length, Each

Part Number: MAN-11861-1

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

• Drop Ship
• Special Order

Valve, Exhaust, Titanium, 1.600 in. Diameter, .342 in. Stem, 5.460 in. Length, Universal, Each

Part Number: MAN-11433T-1

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston, Forged, Flat, 4.030 in. Bore, Chevy, Each

Part Number: MAN-590630R-1

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

• Drop Ship
• Special Order

Guideplates, Raised, Steel, Black Oxide, 3/8 in. Pushrod Size, Chevy, Small Block, Each

Part Number: MAN-42150-1

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

• Drop Ship
• Special Order

Guideplate, Raised, Steel, Black Oxide, for 7/16 in. Pushrod Size, Chevy, Big Block, Each

Part Number: MAN-42149-1

1.0 out of 5 stars ( 2 )

Estimated Ship Date: May 15, 2026 if ordered today

• Drop Ship
• Special Order

Connecting Rods, 4340 I-Beam, Cap Screw, Bushed, 6.800 in. Length, Chevy, Big Block, Set of 8

Part Number: MAN-14173-8

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Valve, Intake, Stainless Steel, 2.125 in. Diameter, .342 in. Stem, 5.140 in. Length, Chevy, Each

Part Number: MAN-11342-1

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

• Drop Ship
• Special Order

Valves, Exhaust, Titanium, 1.625 in. Diameter, .3415 in. Stem, 5.660 in. Length, Chevy, Ford, Chrysler, Each

Part Number: MAN-11475HTB-1

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston, Forged, Flat, 4.030 in. Bore, Chevy, Each

Part Number: MAN-590730L-1

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

• Drop Ship
• Special Order

Valves, Exhaust, Titanium, 1.600 in. Diameter, .342 in. Stem, 4.960 in. Length, Universal, Set of 8

Part Number: MAN-11463T-8

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Valve, Intake, Stainless Steel, 2.080 in. Diameter, .342 in. Stem, 5.440 in. Length, Chevy, Each

Part Number: MAN-11326-8

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Valve, Exhaust, Titanium, 1.625 in. Diameter, .342 in. Stem, 5.460 in. Length, Universal, Each

Part Number: MAN-11443T-1

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 5.021 in. Length, Chevy, Each

Part Number: MAN-11869-1

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

• Drop Ship
• Special Order

Valve, Intake, Stainless Steel, 2.250 in. Diameter, .341 in. Stem, 5.605 in. Length, Chevy, Each

Part Number: MAN-11898-1

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

• Drop Ship
• Special Order

Valves, Exhaust, Titanium, 1.600 in. Diameter, .342 in. Stem, 5.260 in. Length, Universal, Set of 8

Part Number: MAN-11429T-8

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

KIT-BBC 632 4.750/4.600 -3cc F

Part Number: MAN-28632HX

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

VALVE-S/D 2.080,+.400

Part Number: MAN-11764-1

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

• Drop Ship
• Special Order

Piston, Forged, Flat, 4.040 in. Bore, Chevy, Each

Part Number: MAN-590040L-1

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

• Drop Ship
• Special Order

Piston, Forged, Flat, 4.035 in. Bore, Chevy, Each

Part Number: MAN-590635R-1

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

• Drop Ship
• Special Order

Piston Pin Bushing, AMPCO 18 Material, 0.908 in. Inside Diameter, Each

Part Number: MAN-42051-1

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

• Drop Ship
• Special Order

Piston, Forged, Flat, 4.040 in. Bore, Chevy, Each

Part Number: MAN-590240R-1

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

• Drop Ship
• Special Order

Piston, Forged, Flat, 4.040 in. Bore, Chevy, Each

Part Number: MAN-591340L-1

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

• Drop Ship
• Special Order

Valve, Intake, Stainless Steel, 1.890 in. Diameter, .3415 in. Stem, 4.800 in. Length, Each

Part Number: MAN-11792-1

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

• Drop Ship
• Special Order

Valve, Intake, Titanium, 2.150 in. Diameter, .342 in. Stem, 5.340 in. Length, Universal, Each

Part Number: MAN-11458T-1

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Valve, Intake, 2.350 in. Diameter, Stainless Steel, 0.350 in. Over Installed Length, Chevy, Big Block, Each

Part Number: MAN-12880-1

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

• Drop Ship
• Special Order