Availability
Cylinder Heads, Valve Seats, Head Bolts, Top End Kits & More
NUT, CYLINDER BASE, 7/16" HEX
Part Number: SSY-93-3063
Not Yet Reviewed
Estimated Ship Date: Feb 17, 2026 if ordered today
Estimated Ship Date: Feb 17, 2026 if ordered today
Cylinder Head Studs, Extreme Duty, 12-Point Head, Mitsubishi, 2.0L, 4G63, 16-Valve, Kit
Part Number: SUM-910526
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Head Bolts, Steel, Natural, Subaru, H4, Set of 12
Part Number: BCK-016-1072
Estimated Ship Date: Feb 10, 2026 if ordered today
Estimated Ship Date: Feb 10, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Guide, Exhaust, STD, Polaris, RZR 900, 2013-'14
Part Number: KPM-82-82470
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Seat, Ductile Iron, Intake, 2.125 in. Outside Diameter, Chevy, Small Block, LS1, Each
Part Number: TFS-30600271-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Head Bolts, 8740 Chromoly, 200,000 PSI Tensile Strength, Black Oxide, 12-Point, 0.125 in. Longer, Chevy, Small Block, Kit
Part Number: PQX-1035001
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
Cylinder Head Fasteners, Replacement, Bolt Style, Hex Head, Steel, Natural, Ford, Merkur, Set of 16
Part Number: PIO-S-177
Not Yet Reviewed
Estimated Ship Date: Feb 12, 2026 if ordered today
Estimated Ship Date: Feb 12, 2026 if ordered today
LS3 8mm Bronze Guide, .502 OD, Ea.
Part Number: AFR-9053-1
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
BOLT KIT, CYLINDER HEAD, GM CHEVY, LS1, LS6, 4.8, 5.3, 5.7, 6.0L, 2004-Up, SCM-4140 Alloy Steel, 6pt hex head, 200,000 PSI
Part Number: PQX-1034621
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
+.010 AFR SBF/LS1 Oversize Intake Seat for 165cc
Part Number: AFR-9059OS
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
+.010 AFR SB Ford/LS1 Oversize Exhaust Seat
Part Number: AFR-9069OS
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Cylinder Head Bolts, Hex Head, Ford, Kit
Part Number: FEL-ES72229
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Seat, Powdered Metal, 11.40mm Thick, 39.67mm I.D., 52.32mm O.D., Each
Part Number: KPM-10-SC523
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Seat, Ductile Iron, Exhaust, 1.657 in. Outside Diameter, Ford, Small Block, Each
Part Number: TFS-51700272-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Head Bolts, Hex Head, Toyota, 3.0L, 1-Head, SOHC, Kit
Part Number: FEL-ES72185
Estimated Ship Date: Today
Estimated Ship Date: Today
Stock Replacement Engine Valve Lifter Guide
Part Number: MEL-MLG104
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Cylinder Head Fasteners, OE Replacement, Bolt Style, 12-point Head, Steel, Natural, Chevrolet, GMC, 6.6L Diesel, Each
Part Number: ADO-11610681
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Guides, Bronze, Exhaust, Chevy, 5.7L, Set of 8
Part Number: TFS-30400252
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Guides - Chev.,GMC 65-90
Part Number: MAH-2173185
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Hardware, LS Head Bolt Set
Part Number: AAF-ALL87004
Not Yet Reviewed
Estimated Ship Date: Mar 6, 2026 if ordered today
Estimated Ship Date: Mar 6, 2026 if ordered today
exhaust seat,AFR BB Chevy 24° Beryllium Exhaust Seat 2.000 OD x 1.570 ID x .375
Part Number: AFR-9064B
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Seat, Nickel Aluminum-bronze, 11.00mm Thick, 30.00mm I.D., 39.00mm O.D., Each
Part Number: KPM-10-SB390
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
HEAD BOLT KIT
Part Number: PIO-S-153
Not Yet Reviewed
Estimated Ship Date: Feb 12, 2026 if ordered today
Estimated Ship Date: Feb 12, 2026 if ordered today
Cylinder Head Bolts, Hex Head, Buick, Chevy, GMC, Isuzu, Oldsmobile, Pontiac, 2.2L, Kit
Part Number: FEL-ES72172
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Guide, Bronze, Intake, .275 in. Inside Diameter, Stock Outside Diameter, for use on Honda®, Each
Part Number: KPM-30-0359
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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