4-1 Mid-Length Header Exhaust System Set for 305-350 CID Engine Small Block

2-Piece 4-1 Design; 304 Stainless Steel
US $249.99
ApproximatelyS$ 325.61
Condition:
New
More than 10 available
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Breathe easy. Free shipping and returns.
Shipping:
US $999.99 (approx S$ 1,302.49) Standard Shipping.
Located in: Fontana, California, United States
Delivery:
Estimated between Fri, 14 Nov and Mon, 17 Nov to 94104
Delivery time is estimated using our proprietary method which is based on the buyer's proximity to the item location, the shipping service selected, the seller's shipping history, and other factors. Delivery times may vary, especially during peak periods.
Returns:
30 days return. Seller pays for return shipping.
Coverage:
Read item description or contact seller for details. See all detailsSee all details on coverage
(Not eligible for eBay purchase protection programmes)
Seller assumes all responsibility for this listing.
eBay item number:187448785006
Last updated on Oct 04, 2025 05:23:52 SGTView all revisionsView all revisions

Item specifics

Condition
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ...
Manufacturer Part Number
KO97319S
Interchange Part Number
1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990
OE/OEM Part Number
79 80 81 82 83 84 85 86 87 88 89 90
Superseded Part Number
KOS-JVTHD145
California Prop 65 Warning
This product contains chemicals known to the State.
Brand
KO Speed
Material
T304 Stainless Steel
Fitment Type
Performance/Custom
Color
Metallic
Finish
Semi-Polished
Inlet/ Outlet Sizes
1.5" Primary Tubing Diameter/ 2.5" OD Oulet
Style
4-1 Mid-Length
Restricted States
California, Colorado, New York, Maine
Type
Exhaust Header
Universal Fitment
No
UPC
Does not apply
Category

Item description from the seller

About this seller

kospeed2008

99.2% positive feedback136K items sold

Joined Nov 2008
Usually responds within 24 hours
Welcome to Kospeed2008We Focus on High Performance Auto Parts. The Best Choice for Quality & Design Products. Made Auto Parts Shopping Easier.Please Feel free to browse our catalog and contact us by ...
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Detailed Seller Ratings

Average for the last 12 months
Accurate description
4.8
Reasonable shipping cost
5.0
Shipping speed
4.9
Communication
5.0

Seller feedback (37,155)

All ratingsselected
Positive
Neutral
Negative
  • n***d (805)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Ordered 5-23 and received 5-27 even on a long weekend. This part is exactly as described. Brand new, excellent quality, packaged well and they gave me a price that beats anyone else. Excellent customer service and flawless transaction. Will definitely be back. Again, thank you so much.
  • r***r (1419)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Excellent seller, very fast shipping, good communications. Item is as described, good price, well-packed! Thank you.
  • a***s (48)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Shipping was on time. Item as described. Seller reached out immediately after transaction took place to verify details that could have been missed when purchasing. Great customer service.