Availability
World Products Parts and Accessories
Valve, Competition Series, Exhaust, PS824 Stainless, 0.342 in. Diameter Stem, 1.710 in. Diameter, 5.046 in. Length, Ford, Small Block, Each
Part Number: WRL-PBM1403
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
Cylinder Head, Motown, Cast Iron, Assembled, 64cc Chamber, 220cc Intake, Chevy, 302, 327, 350, 400, Each
Part Number: WRL-014150-2
Not Yet Reviewed
Estimated Ship Date: Jun 8, 2026 if ordered today
Estimated Ship Date: Jun 8, 2026 if ordered today
RETAINERS
Part Number: WRL-517
Not Yet Reviewed
Estimated Ship Date: May 22, 2026 if ordered today
Estimated Ship Date: May 22, 2026 if ordered today
Engine Block, Cast Iron, 4-Bolt Mains, 4.115 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each
Part Number: WRL-084020
Not Yet Reviewed
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Cylinder Head, Motown, CNC Ported, Cast Iron, Bare, 64cc Chamber, 220cc Intake, Chevy, 302, 327, 350, 400, Each
Part Number: WRL-014150CNC
Not Yet Reviewed
Estimated Ship Date: Jun 3, 2026 if ordered today
Estimated Ship Date: Jun 3, 2026 if ordered today
Timing Chain and Gear Set, Adjustable, Double Roller, Billet Steel Sprockets, World Products Motown Small Block, Set
Part Number: WRL-ERS8981TARC
Not Yet Reviewed
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Engine Block, Cast Iron, 4-Bolt Mains, 4.555 in. Diameter Bore, 9.800 in. Deck, Nodular Iron Main Caps, 2-Piece Rear Main Seal, Chevy, Big Block, Each
Part Number: WRL-091109
Not Yet Reviewed
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Main Cap, Rear, Merlin III/IV, 4-Bolt, 454 Mains, Ductile Iron, Chevrolet, Big Block, Each
Part Number: WRL-WP1703365R
Not Yet Reviewed
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Engines, Bare Block, Cast Iron, Merlin IV BBC, 10.200 in. Deck, 4.495 in. Bore, Splayed Billet Caps, Standard Cam Bearings and Lifter bores, Each
Part Number: WRL-095110
Not Yet Reviewed
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Valve Spring Retainers, Chromoly Steel, 7 Degree, 1.550 in. Outside Diameter, .710 in. Inside Diameter, Each
Part Number: WRL-502S-1
Not Yet Reviewed
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Engine Block, Cast Iron, 400 Mains, 0.904 in. Lifter, Billet Main Caps, 4.120 in. Bore, Raised Cam, 2-Piece Rear Main Seal, Chevy, Small Block, Each
Part Number: WRL-084135RC-904
Not Yet Reviewed
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
MOTOWN SBC, 9.025" x 4.120" x 400 mains, billet splayed caps - Raised Camshaft - .842" Bushing
Part Number: WRL-084130RC
Not Yet Reviewed
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Valve, Race Flow Series, Intake, Stainless, 0.342 in. Diameter Stem, 2.300 in. Diameter, 5.250 in. Length, Chevy, Big Block, Each
Part Number: WRL-1222
Not Yet Reviewed
Estimated Ship Date: Jun 5, 2026 if ordered today
Estimated Ship Date: Jun 5, 2026 if ordered today
MAIN CAPS
Part Number: WRL-703345-5
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
Engine Block, Cast Iron, Nodular Iron Splayed 4-Bolt Mains, 4.595 in. Bore, 2-Piece Seal, 10.200 in. Deck, Chevy, Big Block, Each
Part Number: WRL-091112
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Engine Block, Cast Iron, 4-Bolt Mains, 4.595 in. Diameter Bore, 10.250 in. Deck, Nodular Iron Main Cap, 2-Piece Rear Main Seal, Chevy, Big Block, Each
Part Number: WRL-091117
Not Yet Reviewed
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Engine Block, Cast Iron, 4-Bolt Mains, 4.120 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each
Part Number: WRL-084081-904
Not Yet Reviewed
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Engine Block, Cast Iron, Billet 4-Bolt Mains, 3.995 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each
Part Number: WRL-084180
Not Yet Reviewed
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Engine Block, Cast Iron, 4-Bolt Mains, 4.495 in. Bore, 9.500 in. Deck, 55mm Cam Bore, Billet Steel Main Cap, 2-Piece Rear Seal, Chevy, Big Block, Each
Part Number: WRL-095013-55
Not Yet Reviewed
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Engine Block, Cast Iron, 400 Mains, Billet Main Caps, 4.120 in. Bore, Raised Cam, 2-Piece Rear Main Seal, Chevy, Small Block, Each
Part Number: WRL-084135RC
Not Yet Reviewed
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Engine Block, Cast Iron, 4-Bolt Mains, 4.000 in. Diameter Bore, 1-Piece Rear Main Seal, Ford, Small Block, Each
Part Number: WRL-087152
Not Yet Reviewed
Estimated Ship Date: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 2026 if ordered today
MARINE CYLINDER HEAD
Part Number: WRL-030630-2M
Not Yet Reviewed
Estimated Ship Date: Jun 3, 2026 if ordered today
Estimated Ship Date: Jun 3, 2026 if ordered today
Cylinder Head, S/R, Cast Iron, Assembled, 67cc Chamber, 171cc Intake Runner, Chevy, 5.0, 5.7L, Each
Part Number: WRL-043650-1
Not Yet Reviewed
Estimated Ship Date: Jun 3, 2026 if ordered today
Estimated Ship Date: Jun 3, 2026 if ordered today
Cylinder Head, Merlin, Cast Iron, Assembled, 119cc Chamber, 320cc Intake, Exhaust Port Is Raised 0.600 in., Rectangular Intake Port, Chevy, Big Block
Part Number: WRL-030620-1
Not Yet Reviewed
Estimated Ship Date: Jun 3, 2026 if ordered today
Estimated Ship Date: Jun 3, 2026 if ordered today
Engine Block, Cast Iron, 4-Bolt Mains, 4.115 in. Diameter Bore, 1-Piece Rear Main Seal, Ford, Small Block, Each
Part Number: WRL-087162
Not Yet Reviewed
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
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