Availability
1989 Cylinder Heads
Cylinder Head, Merlin, Cast Iron, Assembled, 119cc Chamber, 269cc Intake Runner, Chevy, Big Block, Each
Part Number: WRL-030040-1
Estimated Ship Date: Mar 13, 2026 if ordered today
Estimated Ship Date: Mar 13, 2026 if ordered today
Cylinder Head, Merlin, Cast Iron, Assembled, 119cc Chamber, 269cc Intake Runner, Chevy, Big Block, Each
Part Number: WRL-030040-2
Estimated Ship Date: Mar 13, 2026 if ordered today
Estimated Ship Date: Mar 13, 2026 if ordered today
Cylinder Head, Merlin, Cast Iron, Assembled, 119cc Chamber, 269cc Intake, Exhaust Port Is Raised 0.600 in., Oval Intake Port, Chevy, Big Block, Each
Part Number: WRL-030040M-2
Not Yet Reviewed
Estimated Ship Date: Mar 13, 2026 if ordered today
Estimated Ship Date: Mar 13, 2026 if ordered today
Cylinder Head, Merlin, Cast Iron, Assembled, 119cc Chamber, 345cc Intake, Exhaust Port Is Raised 0.600 in., Rectangular Intake Port, Chevy, Big Block
Part Number: WRL-030630-1
Not Yet Reviewed
Estimated Ship Date: Mar 13, 2026 if ordered today
Estimated Ship Date: Mar 13, 2026 if ordered today
Cylinder Head, Merlin, CNC Ported, Cast Iron, Bare, 119cc Chamber, 345cc Intake Runner, Chevy, Big Block, Each
Part Number: WRL-030630CNC
Estimated Ship Date: Mar 13, 2026 if ordered today
Estimated Ship Date: Mar 13, 2026 if ordered today
Cylinder Head Studs, Chromoly, Black Oxide, 12-Point Head, Chevrolet, Big Block, Dart Big Chief Heads, Kit
Part Number: MIL-80131
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
Cylinder Head Studs, Chromoly, Black Oxide, 12-Point Head, Chevrolet, Big Block, Brodix, Holley, Kit
Part Number: MIL-80132
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
Cylinder Head Studs, Chromoly, Black Oxide, 12-Point Head, Chevrolet, Big Block, Brodix Pontiac Pro Stock, Kit
Part Number: MIL-80134
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
Cylinder Head Studs, Chromoly, Black Oxide, Hex Head, Chevrolet, Big Block, Brodix Pontiac Pro Stock, Kit
Part Number: MIL-80137
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
Cylinder Head Studs, Chromoly, Black Oxide, Hex Head, Chevrolet, Big Block, Dart Big Chief Heads, Kit
Part Number: MIL-80138
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
Cylinder Head Studs, 12-point, 8740 Chromoly, Black Oxide, Washers, Ford, 351W, Kit
Part Number: MIL-80164
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
Cylinder Head Studs, Chromoly, Black Oxide, Hex Head, Ford, 351W, with J-302 Heads, Set
Part Number: MIL-80166
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
Cylinder Head Studs, Chromoly, Black Oxide, Ford, V8, Kit
Part Number: MIL-80189
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
Valve Guide, 11/32 in., Bronze, Exhaust, Chevy, Big Block, Set of 8
Part Number: AFR-9041-8
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Valve Guide, 11/32 in., Bronze, Intake, Chevy, Big Block, Set of 8
Part Number: AFR-9042-8
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Valve Guide, Intake, Bronze, Chevy, Big Block, Set of 8
Part Number: AFR-9045-8
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Cylinder Head Bolts, Steel, Chrome, Hex Head, Chevy, Small Block, Outer Bolts Only, Set of 16
Part Number: GAR-56472-H
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Head Bolts, 12-point, Steel, Polished, Harley-Davidson®, Kit
Part Number: SSY-93-3014
Not Yet Reviewed
Estimated Ship Date: Mar 5, 2026 if ordered today
Estimated Ship Date: Mar 5, 2026 if ordered today
Cylinder Head, Merlin, Cast Iron, Bare, 119cc Chamber, 345cc Intake Runner, Chevy, Big Block, Each
Part Number: WRL-030630
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Head Bolt, 12-point, Steel, Polished, Washer, Harley-Davidson®, Each
Part Number: SSY-93-3010
Not Yet Reviewed
Estimated Ship Date: Mar 5, 2026 if ordered today
Estimated Ship Date: Mar 5, 2026 if ordered today
Head Bolt Washer Kit
Part Number: PIO-852098
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
HEAD BOLT KIT
Part Number: PIO-S-112-B
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
HEAD BOLT KIT
Part Number: PIO-S-138
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
HEAD BOLT KIT
Part Number: PIO-S-138-B
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Head Stud Kit
Part Number: PIO-851001
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
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