1981 Pontiac Firebird Automatic Transmission Valve Bodies
- Pioneer Automotive®Valve Body KitPontiac Firebird 1981, Valve Body Kit by Pioneer Automotive®. Designed utilizing the latest technology, this product by Pioneer Automotive features premium quality and will perform better than advertised. Perfect for your vehicle and...Made to deliver reliable service for a long timeRugged construction to withstand harsh conditions$27.06 - $92.91
- B&M®Shift Improver KitPontiac Firebird THM350 Transmission / THM350C Transmission 1981, Shift Improver Kit by B&M®. Includes: Gaskets, Seals, Drill Bit and Fluid Separators. This is the easiest way to get the stout performance you've always wanted out of...Provides crisp shifts on any stock automatic transmissionEliminates shift overlap, excess wear on clutches and bands due to slippage$57.95
- B&M®Transpak Shift Improver KitPontiac Firebird THM350 Transmission / THM350C Transmission 1981, Transpak Shift Improver Kit by B&M®. Includes: Gaskets, Drill Bits, Seals, Retaining Ring, Brass Plug, and Shift Valve. Most stock automatic transmissions won’t...Recalibrate your automatic transmission for optimum performanceSelect the mode that best suits your application$124.95
- J.W. Performance®Street/Strip Automatic Transmission Performance KitPontiac Firebird THM350 Transmission 1981, Street/Strip Automatic Transmission Performance Kit by J.W. Performance®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$67.35
- Sonnax®High Performance Super Hold Automatic Transmission Servo KitPontiac Firebird THM200C/MV9 Transmission 1981, High Performance Super Hold Automatic Transmission Servo Kit by Sonnax®. Includes: Piston, Pin, Shim, Spring, E-clip, Spacer, Cover Red Anodized, O-Ring Seal Small (not shown), O-Ring Seal...17% Greater apply area than Grand National servoExtra-long servo pin and optional parts for highly tunable shift feel$225.11
- Sonnax®High Performance Automatic Transmission Line Pressure Booster KitPontiac Firebird THM350 Transmission / THM350C Transmission 1981, High Performance Automatic Transmission Line Pressure Booster Kit by Sonnax®. Includes: Pressure Regulator Spring, Large Ratio Boost Assembly. Sonnax hydraulic line...Achieve shorter shifts and increased torque capacity without creating low-speed harshnessImproved band and clutch holding capacity for increased durability$97.32
- J.W. Performance®Manual/Automatic Valve BodyPontiac Firebird THM350 Transmission 1981, Manual/Automatic Valve Body by J.W. Performance®. With Standard Shift Pattern. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$315.77
- J.W. Performance®Automatic Transmission Brake ValvePontiac Firebird THM350 Transmission 1981, Automatic Transmission Brake Valve by J.W. Performance®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$26.97
- J.W. Performance®Pressure SwitchPontiac Firebird THM350C Transmission 1981, Pressure Switch by J.W. Performance®. Billet Aluminum Servo Cover Provides increased rigidity to minimize leaks at the servo cover. Designed utilizing the latest technology, this product by...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$13.50
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- $21.21 - $37.45
1981 Pontiac Firebird Models
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