Availability
Crankshaft, 2-Piece Seal, Internal Balance, Forged, 4340 Steel, 3.750 in. Stroke, Chevy, 400, Each
Part Number: HRS-H403756012T
Not Yet Reviewed
Estimated Ship Date: Dec 10, 2025 if ordered today
Estimated Ship Date: Dec 10, 2025 if ordered today
Cylinder Heads, Series One, Aluminum, Bare, 64cc Chamber, 185cc Intake Runner, Chevy, Small Block, Pair
Part Number: PMX-2172
Estimated Ship Date: Nov 26, 2025 if ordered today
Estimated Ship Date: Nov 26, 2025 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.500 in. Stroke, Chevy, 350, Each
Part Number: ESP-4350350057LA
Estimated Ship Date: Nov 24, 2025 if ordered today
Estimated Ship Date: Nov 24, 2025 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.562 in. Stroke, Chevy, 350, Each
Part Number: ESP-435035625700
Not Yet Reviewed
Estimated Ship Date: Nov 24, 2025 if ordered today
Estimated Ship Date: Nov 24, 2025 if ordered today
Crankshaft, 1-Piece Seal, Internal Balance, Cast Steel, 4.250 in. Stroke, Chevy, 454, Each
Part Number: SCA-945425L
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Cylinder Head, Motown 220, Cast Iron, Assembled, 64cc Chamber, 220cc Intake, Designed for Use with Hydraulic Flat Tappet Camshafts, Chevy, Small Block
Part Number: WRL-014250-1
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
Cylinder Head, Merlin, Cast Iron, Assembled, 119cc Chamber, 320cc Intake Runner, Chevy, Big Block, Each
Part Number: WRL-030620M-2
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, Small Block, Each
Part Number: SCA-440072LW
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
Crankshaft, 2-Piece Seal, External Balance, Forged 4340 Steel, 4.250 in. Stroke, Chevy, 454, Each
Part Number: SCA-445425-2
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
4340 Forged Pro Series Lightweight
Part Number: SCA-445425C-2
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
Accessory Drive System, Serpentine, 6-groove, Clear Anodized, Power Steering, Air Conditioning, Chevy, Big Block, Kit
Part Number: AAY-FDS-BBC-901
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
Accessory Drive System, Serpentine, 6-groove, Clear Anodized, Power Steering, Air Conditioning, Chevy, Small Block, Kit
Part Number: AAY-FDS-SBC-901
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
Engine 383 c.i. Small Block GM style drop in ready Engine dressed longblock w carb. incl. 30 month 50,000 warranty & Dyno Part #: BP38318MPFIKB
Part Number: MLL-S0009
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
Cylinder Head, Merlin, Cast Iron, Assembled, 119cc Chamber, 320cc Intake Runner, Chevy, Big Block, Each
Part Number: WRL-030620-2
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
ROTATING ASSEMBLY
Part Number: ESP-B12302030
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
Top End Engine Kit, IK Series, Cylinder Heads, Hydraulic Roller, Intake Manifold, Vale Springs, Gaskets, Hardware, Chevy, 350,
Part Number: BRO-9991029
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
Cylinder Heads, Aluminum, 245cc Intake Runner Volume, 80cc Exhaust Runner Volume, SBC, Pair
Part Number: AFR-1139-TI
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
ROTATING ASSEMBLY KIT-BBC 572 4.250/4.625 -3cc F
Part Number: MAN-38572RHXX
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
ROTATING ASSEMBLY KIT-BBC 632 4.750/4.600 43cc D
Part Number: MAN-29632R
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
PRO STREET ASSEMBLY CHEV 400, 350 MAINS
Part Number: ESP-62664060
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.500 in. Stroke, 6.385 in. Rod, 2.200 Pin, Internal Balance, Chevy, Big Block, Each
Part Number: CPI-BBG42B-MG
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 350, Each
Part Number: SUM-SBC35040002P
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
CHEVY BB ROTATING ASSEMBLY
Part Number: ESP-11114060
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
Engine Rotating Assembly, Competition, Forged Crank, Forged Pistons, H-Beam Rods, Chevy, Big Block, Kit
Part Number: ESP-11012070
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
Engine Rotating Assembly, Forced Induction, Forged Crank, Forged Piston, H-Beam Rods, Chevy, Small Block, Kit
Part Number: ESP-35130060
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
