Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
1973 Avanti Ii Parts
ADD A VEHICLE TO GUARANTEE PARTS FIT
See products that fit
TCI
311000 StreetFighter TH350 Transmission for 1969-1979 GM V8 Vehicles, 6 in. Short Tailshaft, Non Lock-Up
Part Number: 890-311000
$2,99595
Ships on Nov 02, 2026Free shipping
Lowest price guarantee
TCI
311000 StreetFighter TH350 Transmission for 1969-1979 GM V8 Vehicles, 6 in. Short Tailshaft, Non Lock-Up
Part Number: 890-311000
Ships on Nov 02, 2026Free shippingLowest Price Guarantee$2,99595
TCI
311005 Super StreetFighter Transmission for 1969-1979 GM TH350
Part Number: 890-311005
$3,19595
Ships on Nov 02, 2026Free shippingLowest price guarantee
TCI
311005 Super StreetFighter Transmission for 1969-1979 GM TH350
Part Number: 890-311005
Ships on Nov 02, 2026Free shippingLowest Price Guarantee$3,19595
TCI
311090P1 Streetfighter Transmission Package 1969-1979 GM TH350
Part Number: 890-311090P1
$3,49595
Ships on Nov 02, 2026Free shippingLowest price guarantee
TCI
311090P1 Streetfighter Transmission Package 1969-1979 GM TH350
Part Number: 890-311090P1
Ships on Nov 02, 2026Free shippingLowest Price Guarantee$3,49595
TCI
312000 Drag Race GM TH350 (Turbo 350) Transmission w/Full Manual & Forward Shift for Small & Big Block Chevy
Part Number: 890-312000
$1,99676$2,495.95
YOU SAVE
$499.19Ships on 11/03/2026Free shippingLowest price guarantee
TCI
312000 Drag Race GM TH350 (Turbo 350) Transmission w/Full Manual & Forward Shift for Small & Big Block Chevy
Part Number: 890-312000
Ships on 11/03/2026Free shippingLowest Price Guarantee$1,99676 $2,495.95
YOU SAVE
$499.19
TCI
312500 Drag Race Transmission Chevy TH350
Part Number: 890-312500
$2,63676$3,295.95
YOU SAVE
$659.19Ships on 11/03/2026Free shippingLowest price guarantee
TCI
312500 Drag Race Transmission Chevy TH350
Part Number: 890-312500
Ships on 11/03/2026Free shippingLowest Price Guarantee$2,63676 $3,295.95
YOU SAVE
$659.19
B&M
Holeshot 3200 Torque Converter GM TH400, TH425, TH375, TH350, TH375B (not 350C)
Part Number: 130-20483
$58495
Ships on Nov 02, 2026Lowest price guarantee
B&M
Holeshot 3200 Torque Converter GM TH400, TH425, TH375, TH350, TH375B (not 350C)
Part Number: 130-20483
Ships on Nov 02, 2026Lowest Price Guarantee$58495
PROFORM
Aluminum Harmonic Balancer Cover for Small Block Chevy with 6-3/4" Balancer in Black
Part Number: 778-66517BKC
$2325$31.99
YOU SAVE
$8.74Ships on Nov 02, 2026Lowest price guarantee
PROFORM
Aluminum Harmonic Balancer Cover for Small Block Chevy with 6-3/4" Balancer in Black
Part Number: 778-66517BKC
Ships on Nov 02, 2026Lowest Price Guarantee$2325 $31.99
YOU SAVE
$8.74
PROFORM
Small Block Chevy Chrome Moly 1-Piece Pushrods 5/16" Diameter in +.100" - 7.900" Length
Part Number: 778-66892C
$6975$93.99
YOU SAVE
$24.24Ships on Nov 02, 2026Lowest price guarantee
PROFORM
Small Block Chevy Chrome Moly 1-Piece Pushrods 5/16" Diameter in +.100" - 7.900" Length
Part Number: 778-66892C
Ships on Nov 02, 2026Lowest Price Guarantee$6975 $93.99
YOU SAVE
$24.24
PROFORM
Stamped Steel Long Slot Rocker Arms for Small Block Chevy with 1.5 Ratio & 3/8" Stud
Part Number: 778-66905
$9199
Ships on Nov 02, 2026Lowest price guarantee
PROFORM
Stamped Steel Long Slot Rocker Arms for Small Block Chevy with 1.5 Ratio & 3/8" Stud
Part Number: 778-66905
Ships on Nov 02, 2026Lowest Price Guarantee$9199
PROFORM
Aluminum Roller Rockers for Small Block Chevy with 1.5 Ratio & 7/16" Stud
Part Number: 778-66909
$21699
Ships on Nov 02, 2026Lowest price guarantee
PROFORM
Aluminum Roller Rockers for Small Block Chevy with 1.5 Ratio & 7/16" Stud
Part Number: 778-66909
Ships on Nov 02, 2026Lowest Price Guarantee$21699
![66914 Self-Aligning Aluminum Roller Rocker Arms, 1.5 Ratio for Chevy Small Block Engines w/Centerbolt Heads [3/8 in. Stud]](https://www.jegs.com/images/mini_100/700/778/778-66914.jpg)
PROFORM
66914 Self-Aligning Aluminum Roller Rocker Arms, 1.5 Ratio for Chevy Small Block Engines w/Centerbolt Heads [3/8 in. Stud]
Part Number: 778-66914
$23599
Ships on Nov 02, 2026Lowest price guarantee![66914 Self-Aligning Aluminum Roller Rocker Arms, 1.5 Ratio for Chevy Small Block Engines w/Centerbolt Heads [3/8 in. Stud]](https://www.jegs.com/images/mini_200/700/778/778-66914.jpg)
PROFORM
66914 Self-Aligning Aluminum Roller Rocker Arms, 1.5 Ratio for Chevy Small Block Engines w/Centerbolt Heads [3/8 in. Stud]
Part Number: 778-66914
Ships on Nov 02, 2026Lowest Price Guarantee$23599
PROFORM
Self-Aligning Aluminum Roller Rockers for Small Block Chevy with 1.6 Ratio & 3/8" Stud
Part Number: 778-66915
$23999
Ships on Nov 02, 2026Lowest price guarantee
PROFORM
Self-Aligning Aluminum Roller Rockers for Small Block Chevy with 1.6 Ratio & 3/8" Stud
Part Number: 778-66915
Ships on Nov 02, 2026Lowest Price Guarantee$23999
PROFORM
Aluminum Roller Rockers for Small Block Chevy with 1.5/1.6 Ratio & 3/8" Stud
Part Number: 778-66920C
$22699
Ships on Nov 02, 2026Lowest price guarantee
PROFORM
Aluminum Roller Rockers for Small Block Chevy with 1.5/1.6 Ratio & 3/8" Stud
Part Number: 778-66920C
Ships on Nov 02, 2026Lowest Price Guarantee$22699
PROFORM
Valve Cover Gasket Set for Small Block Chevy Made From Neoprene Rubber with Reinforce Steel Core
Part Number: 778-66001
$2499
Ships on Nov 02, 2026Lowest price guarantee
PROFORM
Valve Cover Gasket Set for Small Block Chevy Made From Neoprene Rubber with Reinforce Steel Core
Part Number: 778-66001
Ships on Nov 02, 2026Lowest Price Guarantee$2499