Unrivaled Customer Service
And Expert Tech Advice!  
Same Day Shipping Before 11 PM ET
My Cart
Shop By Vehicle
Shop By
Close Menu
Shop By Vehicle
Top Categories
All Categories

Top Categories

All Categories

Free Catalog
E-Mail Signup
My Account
Track Order
Gift Certificates

Chevrolet Performance 12681429K12

GM Goodwrench 350 Engine & Components Package 12 w/ Holley Carb

Chevrolet Performance 12681429K12


jegs shipping
FREE Shipping
Easy Returns
Easy Returns
Lowest Price Guarantee
Lowest Price Guarantee
Chevrolet Performance 12681429K12 GM Goodwrench 350 Engine & Components Package 12 w/ Holley Carb $4,429.63
GM Goodwrench 350 Engine Package 12
  • Goodwrench 350 Engine
  • 700R4-2 Transmission Kit
  • Intake Manifold/Bolts
  • Holley Carburetor
  • HEI Distributor
  • Bolt Set
  • Intake Manifold Gaskets
  • Transmission Fluid
  • Dipstick

  • Chevrolet Performance 12681429K12 Details

    350 Engine Components Package 12 Includes:

  • GM Goodwrench 350ci Engine 809-12681429
  • FTI 700R4-2 Transmission Kit 107-700R4-2KH
  • Edelbrock Performer Intake Manifold for Small Block Chevy 350-2101
  • Holley 600 cfm Carburetor 510-0-80457S
  • JEGS Intake Manifold Bolts 555-83200
  • JEGS HEI Distributor 555-40002
  • JEGS Automatic Transmission-to-Block Bolt Set 555-82510
  • JEGS Intake Manifold Gaskets 555-210004
  • TCI Max Shift Racing Transmission Fluid 890-950600
  • Proform Dipstick 778-66116
  • Free Shipping!

    This universal 350 engine uses a brand new block and can be a replacement in most 1973-85 GM vehicles and retrofitted into virtually any vehicle. At a base horsepower of 195, the engine can produce up to 260 HP and 350 ft/lbs torque with a 4-bbl carburetor and headers. The engine is covered by a GM warranty for three years or 100,000 miles in applicable GM vehicles only. JEGS has the GM Goodwrench Chevy 350 for sale at a great price!


    • 4-bolt main with 2-piece rear main seal
    • Nodular iron crankshaft
    • 4.000" bore x 3.480" stroke
    • Internal balance
    • LT1/LT4 powdered metal connecting rods
    • Cast aluminum pistons (dished)
    • 8.5:1 compression ratio
    • Hydraulic flat tappet cam (.383"/.401" Lift, 194 / 202 Duration @ .050", and 112° lobe separation)
    • Cast iron cylinder heads with 76cc chambers
    • 1.940" Intake / 1.500" Exhaust valves
    • 1.250" diameter valve springs
    • 1.5:1 ratio rocker arms
    • 3/8" pressed-in rocker studs
    • Block is compatible with left or right side oil dipstick (Requires Plug for Unused Side - sold separately) - p/n 809-14091563 left side plug; or p/n 809-9421743 right side plug
    • 4-quart oil pan
    • Oil pump, oil pump pickup and oil pump drive shaft installed
    • Includes timing tabs for a 6-3/4" or an 8" balancer (balancer not included)
    • Recommended spark plug: 14mm thread, .460" reach, 5/8" hex, tapered seat, projected tip (AC Delco p/n 065-R45TSAutolite p/n 417-144)
    • Requires p/n 809-19299222 or p/n 555-23605 Oil filter adapter (not included)
    • Not Intended for Marine Use
    • No core charge

       JEGS Easy Kits are designed by JEGS high performance racing professionals to help you get all the performance parts you need for your race car, hot rod or truck.

    GM Warranty

    Chevy Crate Engine Break-In Guide

    Does this motor come with a stock cam and if it does what would be a good mild cam for this set up?

    Asked by: Sid69
    The cam specs on this are .383"/.401" lift and 194 / 202 duration @ .050". A mild cam would be Comp Cams #12-234-2
    Answered by: Dean R
    Date published: 2018-01-23

    Does this package actually come with a 700r4 transmission? Or is just a transmission kit?

    Asked by: Stevo12812
    Yes this comes with a 700r4. Here is a link to the transmission separately http://www.jegs.com/i/FTI+Transmissions+%26amp%3B+Converters/107/700R4-2KH/10002/-1
    Answered by: Seth W
    Date published: 2018-01-19
    • y_2018, m_2, d_25, h_2CST
    • bvseo_bulk, prod_bvqa, vn_bulk_2.0.7
    • cp_1, bvpage1
    • co_hasquestionsanswers, tq_2
    • loc_en_US, sid_10001_10001_3884324, prod, sort_[SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING)]
    • clientName_jegs