Products to Compare (max of 3)
X
Compare These Parts
Talk to the Experts. Call 800.979.0122, 7am-10pm, everyday.
Customer Service
Since 1952
Cart

Your shopping cart is empty

Begin Shopping
The Toolbox
Shopping for 1981 K20 Parts
Remove
Deals
  • Expert Tech Support
  • Huge Inventory
  • Fast Shipping
Products
You've Selected:
Selected Filters
Truck Classic Truck
1981 Chevy K20
Enginequest
(Clear All)
Select Your Vehicle
See More Filters
Sort by:
Relevance Selected
Relevance Selected Price Low to High Price High to Low
Show:
30 Results
30 Results 60 Results 90 Results

New

On Sale

Garage Sale

EngineQuest RSH349 Pre-85 Small Block Chevy Rear Main Seal Conversion
Enginequest
Part # 91015010

EngineQuest RSH349 Pre-85 Small Block Chevy Rear Main Seal Conversion

$119.99
Ships Free

Material Thickness: .70"

Material Type: Aluminum

Finish: Natural

Inside Diameter: 2.78"

Show only Rear Main Seal Conversion Kits
Compare
Quick View
EngineQuest AT350 Small Block Chevy Rear Main Alignment Tool
Enginequest
Part # 91015012

EngineQuest AT350 Small Block Chevy Rear Main Alignment Tool

$44.99
Show only Engine Seal Installation Tools
Compare
Quick View
EngineQuest RSH350 1986 and Newer S/B Chevy Rear Main Seal Conversion
Enginequest
Part # 91015011

EngineQuest RSH350 1986 and Newer S/B Chevy Rear Main Seal Conversion

$94.99
(1)

Material Thickness: .70"

Material Type: Aluminum

Finish: Natural

Inside Diameter: 2.76"

Show only Rear Main Seal Conversion Kits
Compare
Quick View
EngineQuest OFA305 Chevy Oil Filter Adapter w/ Bypass
Enginequest
Part # 7201025

EngineQuest OFA305 Chevy Oil Filter Adapter w/ Bypass

$19.99
(7)

Base Diameter: 2.40"

Centerline of Holes: 2.37"

Thread Length: .67"

Show only Oil Filter Adapters
Compare
Quick View

Refine Results

Filter
Sort
Relevance Selected
Relevance Selected Price Low to High Price High to Low
Filters
Category
Engine (4)
Gaskets and Seals (1)
Brand
Enginequest (4)
3X Chemistry (13)
AC Delco (2)
Accel (92)
AccuAir (20)
ACL Bearings (3)
AED Performance (4)
Aero Appearance Products (8)
Aeromotive (26)
Aeroquip (270)
AFCO (318)
AFE Power (14)
AirAid (416)
Allied Wheel (15)
ALLSTART (2)
American Autowire (5)
Ansen (1)
Antigravity Batteries (1)
ARP Fasteners (37)
Auto Dolly (9)
Auto Meter (2291)
Autolite (1)
AVS (2)
AVS Air Suspension (10)
B&M Transmission (46)
Barnes Systems (1)
Barry Grant (2)
Bassett (3)
Beams Seatbelts (6)
Bell (12)
BendPak Automotive (9)
Bert Transmission (2)
Billet Specialties (45)
Bills Hot Rod Co (35)
Bilstein (4)
BluePrint Engines (28)
Bob Drake Reproductions (1)
Bob Harris Enterprises (2)
Bone Creepers (1)
Boyd Coddington Detail Garage (13)
Boyds Wheels (30)
Braille Battery (7)
Brunnhoelzl Pit Equipment (2)
Busted Knuckle Garage (19)
C&R Racing (1)
C&S Specialties (2)
Callies (5)
Car Tech Books (18)
Carter Fuel Delivery (2)
Champ Pans (2)
Champion Racing Oil (3)
Chevrolet Performance Parts (7)
Circle Racing Wheels (4)
CK Designs (2)
Classic Auto Locks (5)
Classic Instruments (74)
Classic Performance Products (3)
Clay Smith Cams (19)
Clayton Machine Works (34)
Clevite Engine Parts (17)
Cloyes Gear (3)
Coker Tire (84)
Cold Fire Super Systems (23)
COMP Cams (673)
Competition Engineering (5)
CON2R (5)
Convert-A-Light (1)
Cooling Components (2)
Covell Metalworking (9)
Crosley (17)
Crower (2)
CTEK (3)
Currie Enterprises (5)
Custom Autosound (2)
CVR High Performance (3)
D & R Classic Automotive (3)
Dart (10)
Dayton Wire Wheels (2)
DECO (6)
Delta Lights (37)
Demon Carburetion (171)
Derale (11)
Design Engineering (93)
DeWitts (2)
DIGI-TAILS (2)
Dominator Race Products (1)
Dorman Products (1)
Dougs Headers (22)
Driven Racing Oil (24)
Dura-Bond (2)
Dyers Top Rods (1)
Dynamat (8)
Dynatech (101)
Eagle Motorsports (14)
Earls Performance (2752)
Eddie Motorsports (24)
Edelbrock (1561)
Eibach Springs (3)
Elgin Industries (2)
EMPI (55)
Energy Suspension (1)
Ernst Manufacturing (14)
E-Stopp (2)
FAST Fuel Air Spark Technology (165)
Fast Shafts (3)
Fel-Pro Gaskets (37)
Fenton (5)
FIREBOTTLE (4)
FiTech (21)
FK Rod Ends (39)
FlairHair (2)
Flaming River (5)
Flex-A-Lite (12)
Flitz (3)
Flo-Fast (6)
Flo-Tek (4)
Flowmaster (36)
Flowtech Exhaust (106)
Fluidampr (1)
Ford Racing Performance Parts (2)
Fragola (268)
Frostbite Performance Cooling (3)
FST Performance (7)
Fuel Safe (1)
Fuelab (7)
Gates (25)
General Motors Restoration Parts (1)
Genuine GM Parts (3)
George Trosley (11)
GoJak (3)
Goodridge (49)
GoPro (9)
Gorilla Automotive Products (29)
Gotta Show (9)
GP PUBLISHING (3)
Grant Steering Wheels (74)
GT Performance Steering (53)
H3R Performance (7)
Hagan Street Rods (63)
Hawk Performance (4)
Hays (26)
Heidts (4)
Henchcraft Racing Products (1)
High Velocity Heads (1)
Holley (1232)
Hooker Headers (232)
Hop Up Magazine (19)
Hot Rod Surf (4)
Howards Cams (1)
Howe Racing (5)
HPBooks (6)
HRP (5)
Hurst Shifters (5)
Hushmat (11)
Hy-Lube Systems (1)
Hyperco (1)
HyperFuel (1)
Icon Pistons (4)
Ideal Clamps (26)
Ididit (79)
Intercomp (20)
Isky Racing Cams (3)
Jaz Products (19)
J-B Weld (1)
JBA Headers (30)
JESEL (3)
Jiffy-Tite (4)
Jim Osborn Reproductions (6)
Joe Hunt Magnetos (1)
K&N Filters (1224)
KB Pistons (18)
King Chrome (19)
King Engine Bearings (9)
Kinsler Fuel Injection (4)
Kirkey (1)
Klein Electronics (7)
Klever Industrial Products (1)
Klotz (1)
Koul Tools (8)
KRC Power Steering (7)
KSE Racing Products (3)
Kwik Change Products (1)
KYB Shocks & Struts (7)
Laid-Back (1)
Lakewood Industries (23)
Lecarra (5)
Lizardskin (3)
Lokar (1028)
Longacre (224)
LRB (1)
LSM Racing Products (3)
Lubrication Engineers (5)
Lucas Oil (91)
LUND (2)
M&W (4)
Mag Daddy (10)
Mahle Pistons (1)
Mallory Ignition (21)
Manhattan Oil (5)
Manley (61)
Maradyne Fans (25)
Maval Manufacturing (4)
MAX GRUNDY (6)
Maxima (1)
Mechanix Wear (3)
Melling (13)
Monroe Shocks (1)
Moose Blocks (2)
Moroso (39)
Morris Classic Concepts (3)
Motive Products (3)
Motorbooks (5)
MotorCult Apparel (11)
Mr Gasket (342)
MSD (163)
NEBO Tools (11)
NOCO Battery Products (2)
NOS - Nitrous Oxide Systems (657)
NOTCHEAD (15)
Odyssey Batteries (12)
OER - Original Equipment Reproduction (10)
Offenhauser (32)
Old Guys Rule (6)
Omega Kustom Instruments (53)
Optima Batteries (4)
OTB Gear (50)
Outerwears (5)
Painless Wiring (54)
Patriot Exhaust (359)
P-Ayr Products (2)
Penn Grade (4)
Percys (4)
Performance Automatic (11)
Performance Bodies (1)
Performance Tool (52)
Perma-Cool (12)
PerTronix (69)
Peterson Fluid Systems (3)
Phoenix Systems (2)
Pico (11)
PipeMaster (8)
Play Matz (2)
POP Fasteners (2)
Porter Muffler (20)
Power Building Videos (2)
Powermaster (26)
PRIME Memory Solutions (2)
Pro Shocks (22)
Procar Seats (185)
Professional Products (12)
Proform (11)
Prothane Motion Control (1)
PWR (7)
QA1 (2354)
Quick Cable (3)
Quick Fuel Technology (112)
Quick Time (43)
Quick Time Performance (5)
QuickTrick Alignment (7)
Quik-Latch Products (38)
Race Ramps (10)
RACEceiver (5)
Racing Head Service (1)
Radir Wheels (10)
Ram Clutches (13)
Rampage (2)
Ranger Products (1)
RapidAir (37)
Razorweld (3)
Real Rodder's Wheels (4)
Red Line Synthetic Oil (28)
Reese (5)
Replay XD (3)
RetroSound (79)
Rhoads Lifters (2)
Richmond Gear (1)
RideTech (15)
Robic (2)
Rocket Racing Wheels (209)
Rod End Supply (7)
Russell Performance (19)
Safety Racing (1)
Sander Engineering (1)
Save Phace (22)
Scat (19)
Schoenfeld Headers (4)
Scott Performance Wire (1)
Seals-It (9)
Sherman (2)
SHIM-DEX (1)
Simpson Racing (5)
Slam Specialties (8)
Sniper (21)
Snooky's Vintage Originals (8)
SoffSeal (1)
SPAL Automotive (6)
Sparco (7)
Specialty Power Windows (10)
Spectre Performance (1081)
Speed Fast (3)
Speedmaster (8)
Speedway Motors (3890)
Spicer (16)
SSBC (7)
Stallard Chassis (1)
Stant (3)
Steve Smith Autosports (8)
Stewart Components (4)
Stewart Warner (145)
Super Bell Axle Co (5)
Sweet Mfg (57)
System 1 Filters (4)
Tanks (4)
Taylor Cable Products (20)
TCI Automotive (13)
TCI Engineering (3)
Team III Wheels (19)
Technostalgia (6)
Thermo Tec (16)
Titan Tools (170)
Total Performance (37)
Total Seal Piston Rings (11)
Trans-Dapt (17)
Trouble Free Lighting (4)
Tru-Coil (1)
Tru-Ram Manifolds (10)
TruStack (1)
Tuff Stuff (33)
UK Pro (2)
Unisteer (10)
Valco Cincinnati (6)
Valvoline (12)
VDO (3)
VIAIR (8)
Vintage Air (75)
Walbro (2)
Walker Radiator Works (15)
Wall Control Storage Systems (5)
Waterman Racing Components (2)
Waylens (1)
Wehrs Machine (7)
Weiand (114)
Weld Racing (9)
Western Chassis (1)
Wheel Fit (4)
Wilcap (2)
Wilwood (656)
Winters (2)
Wizards Products (33)
Wolo (3)
World Products (3)
XS Power (6)
ZAMP SAFETY PRODUCTS (1)
See More
See Less
Product Line
EngineQuest Alignment Tools (1)
EngineQuest Chevy Oil Filter Adapters (1)
EngineQuest SBC Rear Main Conversion Kits (2)
Price
Customer Rating
(1)
& up (2)
& up (2)
& up (2)
& up (2)
Engine Family
Chevy Small Block V8 (4)
Chevy Big Block V8 (1)
Chevy Inline Six (1)
Back
Change Your Vehicle
All Makes
Year
Make
Model
Remove Vehicle
1981 K20
Suggestions
Error
Note
Ok