Original Parts Group Logo
US & Canada Phone Number 1-800-243-8355
International Phone Number 1-562-594-1000
 Monte Carlo Save up to 45% Promotion Banner
Part fits the following years:1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988


1978-88 Monte Carlo Headers, Performance

Part# DHOD318


Mfg# D318

Be the First to Review

SAVE: $75.96 Retail: $835.95

OPGI Price: $759.99

Part Type: (P) High Performance, designed to improve performance
Years: Sold As: PAIR
2017 Late Monte Carlo Catalog Page: 277
2018 Late Monte Carlo Catalog Page: 289

Fitments for a variety of applications

  • NOTE1: These high-performance items are not eligible for any further discounts or promotional pricing.
  • SHIP NOTE: This item exceeds standard size and is exempt from free shipping. more info
  • SHIP NOTE: This item is SPECIAL ORDER and will be drop-shipped from the manufacturer. more info

DHD305C - 265-400 SB with AC, PB, PS, MT floor shift 1-5/8" tubes, 3" collector, oval port Application notes: 5, 36, 92, 93, 96 DHOD330 - 265-400 with AC, PB,PS, AT 1-3/4" tubes, 3" collector, SAP Application notes: 92, 205, 209 DHOD318 - 396-502 with AC, PB, PS, AT 2" tubes, 3-1/2" collector, SAP Application notes: 210 DHOD336 - 265-400 SB with AC, PB, PS, AT/MT floor shift 1 3/4" tubes, 3" collector, oval port Application notes: 17, 36, 93, 96, 214 DHD370Y - 265-400 SB with AC, PB, PS, AT/MT 1 5/8" tubes, 3" collector, oval port Application notes: 17, 36, 93, 96, 126, 133 Application footnotes: 5. Shorty design for maximum ground clearance 17. Fits most angle plug heads 36. Fits D-Port heads including ZZ4 crate engines 92. Will fit most angle plug heads including factory Chevrolet Bowtie heads 93. Requires removal or modification of locking steering columns if equipped 96. Installation requires use of 79 or later AC compressor bracket and short compressor 126. Tri-Y Design 133. Does not fit with Powerglide transmission 205. Will fit 168-tooth flywheel is used with Powermaster mini-starter# 9500/OPGI# CH26244 209. One tube each side over frame 210. Must use stock small-block frame stands and motor mounts 214. Must use non-shell type motor mounts

California Prop 65 IconWARNING: This product can expose you to chemicals including but not limited to lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride and/or 4,4’-methylenebis (2-chloroaniline) which are known to the state of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov
Click here for complete details.

Ships direct from manufacturer.
Point Coins Earn 759 points more info
Switch to Mobile Site »

Original Parts Group

Special Deals!
Never Miss A Promotion
If you see this, please contact your IT department and ask them to unblock www.opgi-static.com