Availability
1981 Engines & Components
Cylinder Head, Jailbird 390cc, Solid Roller, CNC Machined, Aluminum, Assembled, 0.950 in. Lift, Chevrolet, Big Block Mark IV, Each
Part Number: FLK-390-5060
Not Yet Reviewed
Estimated Ship Date: Apr 2, 2026 if ordered today
Estimated Ship Date: Apr 2, 2026 if ordered today
Cylinder Head, Jailbird 390cc, Solid Roller, CNC Machined, Aluminum, Bowl Blended, Assembled, 0.950 in. Lift, Chevrolet, Big Block Mark IV, Each
Part Number: FLK-390-5060BB
Not Yet Reviewed
Estimated Ship Date: Apr 2, 2026 if ordered today
Estimated Ship Date: Apr 2, 2026 if ordered today
Cylinder Head, Jailbird 390cc, Solid Roller, CNC Machined, Aluminum, Assembled, 0.850 in. Lift, Chevrolet, Big Block Mark IV, Each
Part Number: FLK-390-5058
Not Yet Reviewed
Estimated Ship Date: Apr 2, 2026 if ordered today
Estimated Ship Date: Apr 2, 2026 if ordered today
Cylinder Head, Jailbird 390cc, Solid Roller, CNC Machined, Aluminum, Bowl Blended, Assembled, 0.850 in. Lift, Chevrolet, Big Block Mark IV, Each
Part Number: FLK-390-5058BB
Not Yet Reviewed
Estimated Ship Date: Apr 2, 2026 if ordered today
Estimated Ship Date: Apr 2, 2026 if ordered today
Cylinder Head, Pro 1, Bare, Aluminum, Natural, 97cc Chamber, 451cc Intake Runner, Chevy, Big Block, Each
Part Number: DRT-19775090
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Cylinder Head, Pro 1, Assembled, Aluminum, Natural, 97cc Chamber, 451cc Intake Runner, Chevy, Big Block, Each
Part Number: DRT-19775196
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Cylinder Head, Pro 1, Assembled, Aluminum, Natural, 97cc Chamber, 451cc Intake Runner, Chevy, Big Block, Each
Part Number: DRT-19775199
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Cylinder Head, Pro 1, Aluminum, Assembled, 110cc Chamber, 275cc Intake Runner, Chevy, Big Block, Each
Part Number: DRT-19900172
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Cylinder Heads, Pro 2 Aluminum Cylinder Head, Assembled, 121cc Chamber, 380cc Intake, Designed for Solid Roller Camshafts, Chevrolet, Big Block, Each
Part Number: DRT-19674139
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Cylinder Head, Pro 2, Aluminum, Assembled, 124cc Chamber, 380cc Intake Runner, Chevy, Big Block, Each
Part Number: DRT-19674186
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Cylinder Heads, Pro 1, Aluminum, Assembled, 97cc Chamber, 440cc Intake Runner, Chevy, Big Block, Each
Part Number: DRT-19705196
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Cylinder Head, Musi/Victor 24 Degree, Aluminum, Assembled, 118cc Chamber, 377cc Intake Runner, Chevy, 454
Part Number: EDL-61409
Not Yet Reviewed
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: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
ROD-BBC 6.535 I BEAM
Part Number: MAN-14266R6-8
Not Yet Reviewed
Estimated Ship Date: Mar 19, 2026 if ordered today
Estimated Ship Date: Mar 19, 2026 if ordered today
S&S Cycle 66-84 BT Retro Conversion Stock Bore Top End Kit
Part Number: SSY-106-1070
Not Yet Reviewed
Estimated Ship Date: Feb 25, 2026 if ordered today
Estimated Ship Date: Feb 25, 2026 if ordered today
S&S Cycle 66-84 BT Retro Conversion 3-5/8in Bore Top End Kit
Part Number: SSY-106-1071
Not Yet Reviewed
Estimated Ship Date: Feb 25, 2026 if ordered today
Estimated Ship Date: Feb 25, 2026 if ordered today
S&S Cycle 70-84 BT 93in Sidewinder Big Bore Stroker Kit - Gloss Black
Part Number: SSY-91-9126
Not Yet Reviewed
Estimated Ship Date: Feb 25, 2026 if ordered today
Estimated Ship Date: Feb 25, 2026 if ordered today
S&S Cycle 70-84 BT 93in Sidewinder High Compression Big Bore Stroker Kit - Gloss Black
Part Number: SSY-91-9130
Not Yet Reviewed
Estimated Ship Date: Feb 25, 2026 if ordered today
Estimated Ship Date: Feb 25, 2026 if ordered today
S&S Cycle 70-84 BT 96in Sidewinder Big Bore Stroker Kit - Gloss Black
Part Number: SSY-91-9134
Not Yet Reviewed
Estimated Ship Date: Feb 25, 2026 if ordered today
Estimated Ship Date: Feb 25, 2026 if ordered today
S&S Cycle 70-84 BT 103in Sidewinder Big Bore Stroker Kit - Gloss Black
Part Number: SSY-91-9140
Not Yet Reviewed
Estimated Ship Date: Feb 25, 2026 if ordered today
Estimated Ship Date: Feb 25, 2026 if ordered today
80" COMPLETE TOP END KIT BT
Part Number: SSY-90-0098
Not Yet Reviewed
Estimated Ship Date: Feb 25, 2026 if ordered today
Estimated Ship Date: Feb 25, 2026 if ordered today
Engine Rotating Assembly, Competition, Forged Crank, Forged Pistons, H-Beam Rods, Chevy, Small Block, Kit
Part Number: ESP-12020STD
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
ROTATING ASSEMBLY
Part Number: ESP-451003810
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
ROTATING ASSEMBLY
Part Number: ESP-451003820
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
ROTATING ASSEMBLY
Part Number: ESP-451003830
Not Yet Reviewed
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