Availability
Head Bolt Kit
Part Number: PIO-851201
Not Yet Reviewed
Estimated Ship Date: Nov 19, 2025 if ordered today
Estimated Ship Date: Nov 19, 2025 if ordered today
Harmonic Balancer, Race, Internal Balance, 7.960 in., Iron, Black, GM, with GM V6, Chevy Small Block V8, Each
Part Number: PIO-872023
Estimated Ship Date: Nov 19, 2025 if ordered today
Estimated Ship Date: Nov 19, 2025 if ordered today
Harmonic Balancer, Race, External Balance, 7.960 in., Iron, Black, Avanti, GMC, with Chevy 400, Each
Part Number: PIO-872024
Not Yet Reviewed
Estimated Ship Date: Nov 19, 2025 if ordered today
Estimated Ship Date: Nov 19, 2025 if ordered today
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ROCKER ARM KIT
Part Number: PIO-RK-346-X
Not Yet Reviewed
Estimated Ship Date: Nov 19, 2025 if ordered today
Estimated Ship Date: Nov 19, 2025 if ordered today
Valve Locks
Part Number: PIO-SS-555-HD
Not Yet Reviewed
Estimated Ship Date: Nov 19, 2025 if ordered today
Estimated Ship Date: Nov 19, 2025 if ordered today
Estimated Ship Date: Nov 19, 2025 if ordered today
ROCKER ARM ADJ
Part Number: PIO-S-1012
Not Yet Reviewed
Estimated Ship Date: Nov 19, 2025 if ordered today
Estimated Ship Date: Nov 19, 2025 if ordered today
CONN ROD BOLTS
Part Number: PIO-S-1032
Not Yet Reviewed
Estimated Ship Date: Nov 19, 2025 if ordered today
Estimated Ship Date: Nov 19, 2025 if ordered today
CONN ROD BOLTS
Part Number: PIO-S-1037
Not Yet Reviewed
Estimated Ship Date: Nov 19, 2025 if ordered today
Estimated Ship Date: Nov 19, 2025 if ordered today
VL SPR KIT
Part Number: PIO-S-1052
Not Yet Reviewed
Estimated Ship Date: Nov 19, 2025 if ordered today
Estimated Ship Date: Nov 19, 2025 if ordered today
VL SPR KIT
Part Number: PIO-S-1055
Not Yet Reviewed
Estimated Ship Date: Nov 19, 2025 if ordered today
Estimated Ship Date: Nov 19, 2025 if ordered today
Estimated Ship Date: Nov 19, 2025 if ordered today
Harmonic Balancer, Internal Balance, 6.990 in. Diameter, Nodular Iron, Black, Chevy/GMC, Big Block, Each
Part Number: PIO-DA-396
Estimated Ship Date: Nov 19, 2025 if ordered today
Estimated Ship Date: Nov 19, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Connecting Rod Bolts, OE Replacement, 3/8-24 in. Chevy, Small Block, Set of 100
Part Number: PIO-CRB-388-100
Estimated Ship Date: Nov 19, 2025 if ordered today
Estimated Ship Date: Nov 19, 2025 if ordered today
Alternator Bracket, Aluminum, Polished, Engine Block Front Mount, Short Water Pump, Chevy, Big Block, Each
Part Number: PWM-2897
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Harmonic Balancer, SFI, Internal Balance, 7.0 in., Iron, Black Painted, Chevy, Big Block, Each
Part Number: PIO-872046
Estimated Ship Date: Nov 19, 2025 if ordered today
Estimated Ship Date: Nov 19, 2025 if ordered today
Main Stud Kit
Part Number: PIO-855005
Not Yet Reviewed
Estimated Ship Date: Nov 19, 2025 if ordered today
Estimated Ship Date: Nov 19, 2025 if ordered today
Harmonic Balancer, Internal Balance, Nodular Iron, Chevy/GMC, Small Block, Each
Part Number: ATP-102042
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Harmonic Balancer, External Balance, Nodular Iron, Chevy/GMC, Big Block, Each
Part Number: ATP-102049
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Engine Oil Pan
Part Number: ATP-103273
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
CRANK SPROCKET
Part Number: CLO-S391
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
CAM SPROCKET
Part Number: CLO-S392T
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Piston, Hypereutectic, Flat, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each
Part Number: UEM-S3437HC-030
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Piston, Hypereutectic, Flat, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each
Part Number: UEM-S3437HC-STD
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Timing Chain and Gear Set, Premium Billet, Double Roller, Billet Steel Sprockets, Dart/GM, Rocket Block, SBC w/BBC Snout, Kit
Part Number: CLO-9-3646BTX3
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
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